housekeeping: Fix CodeCov Paths

[worldbeater]

What kind of change does this PR introduce?

This PR should fix the broken codecov paths. We are now using the newer GitHub Actions CI configuration coming from reactiveui/ReactiveUI.Validation#156 e.g. we are getting rid of node, npm, and dotnet reportgenerator. The coverage increases due to opencover-cobertura format change.

[codecov]

Codecov Report

Merging #618 into main will increase coverage by 5.98%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #618      +/-   ##
==========================================
+ Coverage   50.37%   56.36%   +5.98%     
==========================================
  Files          58       58              
  Lines        3440     3440              
  Branches      594        0     -594     
==========================================
+ Hits         1733     1939     +206     
- Misses       1494     1501       +7     
+ Partials      213        0     -213     

Impacted Files	Coverage Δ
...vache/src/Akavache.Core/BlobCache/ObjectWrapper.cs
...e/Akavache/src/Akavache.Core/PortableExtensions.cs
a/Akavache/Akavache/src/Akavache.Sqlite3/SQLite.cs
...te3/Operations/CommitTransactionSqliteOperation.cs
...Sqlite3/Operations/DeleteExpiredSqliteOperation.cs
.../src/Akavache.Sqlite3/Queues/OperationQueueItem.cs
.../Akavache/src/Akavache.Core/BlobCache/BlobCache.cs
.../Operations/BulkInvalidateByTypeSqliteOperation.cs
....Sqlite3/SqlLiteCache/SqlRawPersistentBlobCache.cs
...ache/Akavache/src/Akavache.Core/ExceptionHelper.cs
... and 106 more

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[worldbeater]

According to the link below, the paths are displaying as they should now in codecov web interface https://codecov.io/gh/reactiveui/Akavache/src/a8cc844dfb1046cacae18f585b75f7f4ce24a8d3/src/Akavache/SQLitePersistentBlobCache.cs

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.