Fix JavaScript crashes in Elm app build by switching from Jint to V8

Recently, crashes in the Jint JavaScript engine increased significantly, causing most runs on GitHub Actions to fail.
Following is an excerpt from one of these crashes:
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2024-10-06T10:14:20.2060060Z   Passed Apply_function_via_admin_interface_report_from_calculator [3 s]
2024-10-06T10:14:20.4923380Z Unhandled exception. Jint.Runtime.JavaScriptException: value is not defined
2024-10-06T10:14:20.4938090Z  ---> Error: value is not defined
2024-10-06T10:14:20.5009190Z    at fun.f (func, acc, list) :2721:30
2024-10-06T10:14:20.5021640Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5026610Z    at $elm$json$Json$Encode$object (pairs) :4042:3
2024-10-06T10:14:20.5030370Z    at func (type_arg_) :6207:26
2024-10-06T10:14:20.5031150Z    at fun.f (entry, array) :1637:27
2024-10-06T10:14:20.5031640Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5032080Z    at fun.f (func, acc, list) :2721:18
2024-10-06T10:14:20.5032870Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5033450Z    at fun.f (func, entries) :4889:4
2024-10-06T10:14:20.5033930Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5039000Z    at func (type_arg) :6204:17
2024-10-06T10:14:20.5040820Z    at fun.f (entry, array) :1637:27
2024-10-06T10:14:20.5042680Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5044590Z    at fun.f (func, acc, list) :2721:18
2024-10-06T10:14:20.5045740Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5046760Z    at fun.f (func, entries) :4889:4
2024-10-06T10:14:20.5048010Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5049900Z    at $author$project$Backend$InterfaceToHost_Root$Generated_4e7b4acf$jsonEncode_Backend_Generated_StateShimTypes_StateShimResponse (valueToEncode) :6176:10
2024-10-06T10:14:20.5051640Z    at func (type_arg) :6327:11
2024-10-06T10:14:20.5052180Z    at fun.f (entry, array) :1637:27
2024-10-06T10:14:20.5052650Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5053080Z    at fun.f (func, acc, list) :2721:18
2024-10-06T10:14:20.5053690Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5054150Z    at fun.f (func, entries) :4889:4
2024-10-06T10:14:20.5054920Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5055480Z    at fun.f (encodeErr, encodeOk, valueToEncode) :6074:7
2024-10-06T10:14:20.5056440Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5057460Z    at $author$project$Backend$InterfaceToHost_Root$Generated_4e7b4acf$jsonEncode_ae58ba72a1 (valueToEncode) :6321:9
2024-10-06T10:14:20.5058530Z    at fun (f, g, x) :3508:4
2024-10-06T10:14:20.5058930Z    at func (c) :15:54
2024-10-06T10:14:20.5059310Z    at fun.f (func, _v0) :3476:4
2024-10-06T10:14:20.5060190Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5060980Z    at fun (config, serializedEvent, stateBefore) :6717:10
2024-10-06T10:14:20.5062340Z    at $author$project$Backend$InterfaceToHost_Root$interfaceToHost_processEvent (c) :15:54
2024-10-06T10:14:20.5063360Z    at serializedEvent (param_0, param_1) :6759:49
2024-10-06T10:14:20.5064210Z    at _Json_wrap (value) :6763:27
2024-10-06T10:14:20.5064810Z    at processEventAndUpdateState (eventSerial) :6215:22
2024-10-06T10:14:20.5065440Z    at func (type_arg_) :6766:34
2024-10-06T10:14:20.5065900Z    at fun.f (entry, array) :1637:27
2024-10-06T10:14:20.5066360Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5066800Z    at fun.f (func, acc, list) :2721:18
2024-10-06T10:14:20.5067290Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5067720Z    at fun.f (func, entries) :4889:4
2024-10-06T10:14:20.5068190Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5068870Z    at func (type_arg) :6204:17
2024-10-06T10:14:20.5069500Z    at fun.f (entry, array) :1637:27
2024-10-06T10:14:20.5070240Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5071160Z    at fun.f (func, acc, list) :2721:18
2024-10-06T10:14:20.5071990Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5072550Z    at fun.f (func, entries) :4889:4
2024-10-06T10:14:20.5073030Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5074350Z    at $author$project$Backend$InterfaceToHost_Root$Generated_4e7b4acf$jsonEncode_Backend_Generated_StateShimTypes_StateShimResponse (valueToEncode) :6176:10
2024-10-06T10:14:20.5075750Z    at func (type_arg) :6327:11
2024-10-06T10:14:20.5076210Z    at fun.f (entry, array) :1637:27
2024-10-06T10:14:20.5076930Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5077650Z    at fun.f (func, acc, list) :2721:18
2024-10-06T10:14:20.5078160Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5078610Z    at fun.f (func, entries) :4889:4
2024-10-06T10:14:20.5396780Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5397840Z    at fun.f (encodeErr, encodeOk, valueToEncode) :6074:7
2024-10-06T10:14:20.5398810Z    at A3 (fun, a, b, c) :59:24
2024-10-06T10:14:20.5400040Z    at $author$project$Backend$InterfaceToHost_Root$Generated_4e7b4acf$jsonEncode_ae58ba72a1 (valueToEncode) :6321:9
2024-10-06T10:14:20.5401560Z    at fun (f, g, x) :3508:4
2024-10-06T10:14:20.5402250Z    at func (c) :15:54
2024-10-06T10:14:20.5403060Z    at fun.f (func, _v0) :3476:4
2024-10-06T10:14:20.5407960Z    at A2 (fun, a, b) :56:24
2024-10-06T10:14:20.5408600Z    at fun (config, serializedEvent, stateBefore) :6717:10
2024-10-06T10:14:20.5409760Z    at $author$project$Backend$InterfaceToHost_Root$interfaceToHost_processEvent (c) :15:54
2024-10-06T10:14:20.5411420Z    at serializedEvent (param_0, param_1) :6759:49
2024-10-06T10:14:20.5412190Z    at processEventAndUpdateState (eventSerial) :6763:27
2024-10-06T10:14:20.5412810Z    at :6766:34
2024-10-06T10:14:20.5413410Z    --- End of inner exception stack trace ---
2024-10-06T10:14:20.5415350Z    at Jint.Runtime.ExceptionHelper.ThrowJavaScriptException(Engine engine, JsValue value, Completion& result)
2024-10-06T10:14:20.5417040Z    at Jint.Native.Function.ScriptFunction.Call(JsValue thisObject, JsValue[] arguments)
2024-10-06T10:14:20.5418940Z    at Jint.Engine.<>c__DisplayClass111_0.<Invoke>g__DoInvoke|0()
2024-10-06T10:14:20.5419940Z    at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback)
2024-10-06T10:14:20.5421060Z    at Jint.Engine.Invoke(JsValue value, Object thisObj, Object[] arguments)
2024-10-06T10:14:20.5422340Z    at Jint.Engine.Invoke(String propertyName, Object thisObj, Object[] arguments)
2024-10-06T10:14:20.5423540Z    at Jint.Engine.Invoke(String propertyName, Object[] arguments)
2024-10-06T10:14:20.5425710Z    at ElmTime.JavaScript.JavaScriptEngineJint.CallFunction(String functionName, Object[] args) in /Users/runner/work/pine/pine/implement/pine/JavaScript/JavaScriptEngineJint.cs:line 53
2024-10-06T10:14:20.5428660Z    at ElmTime.ProcessHostedWithJavaScriptEngine.ProcessEvent(String serializedEvent) in /Users/runner/work/pine/pine/implement/pine/ElmTime/Process.cs:line 61
2024-10-06T10:14:20.5432190Z    at ElmTime.StateShim.StateShim.ProcessStateShimRequest(IProcess`2 process, StateShimRequestStruct stateShimRequest) in /Users/runner/work/pine/pine/implement/pine/ElmTime/StateShim/StateShim.cs:line 288
2024-10-06T10:14:20.5435680Z    at ElmTime.StateShim.StateShim.ListExposedFunctions(IProcess`2 process) in /Users/runner/work/pine/pine/implement/pine/ElmTime/StateShim/StateShim.cs:line 75
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The declaration's name mentioned in the error message from Jint ('value' in the quoted case) differs between crashes.
Since we did not observe nearly as many crashes when using V8 (maybe none at all), this commit switches the default engine from Jint to V8.

implement/pine/ElmTime/Process.cs

@@ -115,7 +115,8 @@ public static PreparedProcess ProcessFromElmCodeFiles(
                     javaScriptPreparedToRun: javascriptPreparedToRun),
                 startProcess: () => new ProcessHostedWithJavaScriptEngine(
                     javascriptPreparedToRun,
-                    javascriptEngine: overrideJavaScriptEngineFactory?.Invoke() ?? JavaScriptEngineJintOptimizedForElmApps.Create()));
+                    javascriptEngine: overrideJavaScriptEngineFactory?.Invoke() ??
+                    JavaScriptEngineFromJavaScriptEngineSwitcher.ConstructJavaScriptEngine()));
     }
 
     public const string appStateJsVarName = "app_state";