…17.10

#### AI description  (iteration 1)
#### PR Classification
Code cleanup and new feature.

#### PR Summary
This pull request includes code cleanup, new tests, and the addition of new YAML templates for generating SAS tokens and federated access tokens.
- `src/Features/CSharpTest/EditAndContinue/TopLevelEditingTests.cs`: Added new tests for class implementations of interfaces with various method types.
- `src/EditorFeatures/Test2/Diagnostics/DiagnosticServiceTests.vb`: Removed the `TestTryAppendDiagnosticsForSpanAsync` test.
- `eng/common/templates-official/steps/get-delegation-sas.yml` and `eng/common/templates/steps/get-delegation-sas.yml`: Added new YAML templates for generating SAS tokens.
- `src/Features/LanguageServer/Protocol/Features/Diagnostics/EngineV2/DiagnosticIncrementalAnalyzer_GetDiagnosticsForSpan.cs`: Refactored method to use `LatestDiagnosticsForSpanGetter`.
- `src/EditorFeatures/Test/Structure/StructureTaggerTests.cs`: Added a new test to verify if statements should be collapsed.

…dev/shech/updateSTJTo8.0.5In17.10

Update STJ

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#### AI description  (iteration 1)
#### PR Classification
Dependency update

#### PR Summary
This pull request updates the `System.Text.Json` dependency and modifies a NuGet package source URL.
- `NuGet.config`: Updated the URL for the `darc-int-dotnet-runtime` package source.
- `src/Workspaces/Core/MSBuild.BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj`: Updated `System.Text.Json` package version from 8.0.4 to 8.0.5.

…ev17.10' into merge-from-internal-17.10

[release/dev17.10] Merge from internal 17.10

* Update dependencies from https://github.com/dotnet/arcade build 20240925.3

Microsoft.SourceBuild.Intermediate.arcade , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.Helix.Sdk
 From Version 8.0.0-beta.24470.2 -> To Version 8.0.0-beta.24475.3

* Update dependencies from https://github.com/dotnet/arcade build 20241004.2

Microsoft.SourceBuild.Intermediate.arcade , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.Helix.Sdk
 From Version 8.0.0-beta.24475.3 -> To Version 8.0.0-beta.24504.2

* Update dependencies from https://github.com/dotnet/arcade build 20241008.1

Microsoft.SourceBuild.Intermediate.arcade , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.Helix.Sdk
 From Version 8.0.0-beta.24504.2 -> To Version 8.0.0-beta.24508.1

---------

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: Ankita Khera <[email protected]>

…release/dev17.10-to-release/dev17.11