chore(lint): upgrade ESLint to version 9

eslint.config.js

@@ -0,0 +1,27 @@
+import js from '@eslint/js';
+import tsParser from '@typescript-eslint/parser';
+import tsPlugin from '@typescript-eslint/eslint-plugin';
+
+export default [
+  // ESLint's recommended rules for JavaScript
+  js.configs.recommended,
+
+  // Configuration for TypeScript files
+  {
+    files: ['**/*.ts'],
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        project: './tsconfig.json',
+      },
+    },
+    plugins: {
+      '@typescript-eslint': tsPlugin,
+    },
+    rules: {
+      // Include TypeScript ESLint recommended rules
+      ...tsPlugin.configs.recommended.rules,
+      ...tsPlugin.configs['recommended-requiring-type-checking'].rules,
+    },
+  },
+];

gradle.properties

@@ -41,7 +41,7 @@ portletApiDependency=org.apache.portals:portlet-api_2.1.0_spec:1.0
 gradleDockerPluginVersion=3.2.4
 hsqldbVersion=2.5.1
 jasyptVersion=1.9.3
-nodejsVersion=20.15.1
+nodejsVersion=20.17.0
 waroverlayPluginVersion=0.9.3
 
 # Dependencies used by overlays/ projects and custom code