.NET: Upgrade to .NET 10 (#2128)

* Upgrade to .NET 10

- Require .NET 10 SDK
- Include net10.0 assets in all assemblies
- Move net9.0-only targets to net10.0
- Update LangVersion to latest
- Remove complicated distinctions between debug target TFMs and release target TFMs
- Remove unnecessary package dependencies when built into netcoreapp
- Clean up some ifdefs
- Clean up some analyzer warnings

* Fix CI

.github/workflows/dotnet-build-and-test.yml

@@ -18,6 +18,7 @@ on:
 
 env:
   COVERAGE_THRESHOLD: 80
+  COVERAGE_FRAMEWORK: net10.0 # framework target for which we run/report code coverage
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -59,9 +60,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { targetFramework: "net9.0", os: "ubuntu-latest", configuration: Release, integration-tests: true, environment: "integration" }
-          - { targetFramework: "net9.0", os: "ubuntu-latest", configuration: Debug }
-          - { targetFramework: "net9.0", os: "windows-latest", configuration: Release }
+          - { targetFramework: "net10.0", os: "ubuntu-latest", configuration: Release, integration-tests: true, environment: "integration" }
+          - { targetFramework: "net9.0", os: "windows-latest", configuration: Debug }
+          - { targetFramework: "net8.0", os: "ubuntu-latest", configuration: Release }
           - { targetFramework: "net472", os: "windows-latest", configuration: Release, integration-tests: true, environment: "integration" }
 
     runs-on: ${{ matrix.os }}
@@ -69,13 +70,13 @@ jobs:
     steps:
       - uses: actions/checkout@v5
         with:
-          persist-credentials: false
-          sparse-checkout: |
-            .
-            .github
-            dotnet
-            python
-            workflow-samples
+            persist-credentials: false
+            sparse-checkout: |
+              .
+              .github
+              dotnet
+              python
+              workflow-samples
 
       - name: Setup dotnet
         uses: actions/setup-dotnet@v5.0.0
@@ -123,7 +124,7 @@ jobs:
           popd
           rm -rf "$TEMP_DIR"
 
-      - name: Run Unit Tests Windows
+      - name: Run Unit Tests
         shell: bash
         run: |
           export UT_PROJECTS=$(find ./dotnet -type f -name "*.UnitTests.csproj" | tr '\n' ' ')
@@ -133,12 +134,16 @@ jobs:
             
             # Check if the project supports the target framework
             if [[ "$target_frameworks" == *"${{ matrix.targetFramework }}"* ]]; then
-              dotnet test -f ${{ matrix.targetFramework }} -c ${{ matrix.configuration }} $project --no-build -v Normal --logger trx --collect:"XPlat Code Coverage" --results-directory:"TestResults/Coverage/" -- DataCollectionRunSettings.DataCollectors.DataCollector.Configuration.ExcludeByAttribute=GeneratedCodeAttribute,CompilerGeneratedAttribute,ExcludeFromCodeCoverageAttribute
+              if [[ "${{ matrix.targetFramework }}" == "${{ env.COVERAGE_FRAMEWORK }}" ]]; then
+                dotnet test -f ${{ matrix.targetFramework }} -c ${{ matrix.configuration }} $project --no-build -v Normal --logger trx --collect:"XPlat Code Coverage" --results-directory:"TestResults/Coverage/" -- DataCollectionRunSettings.DataCollectors.DataCollector.Configuration.ExcludeByAttribute=GeneratedCodeAttribute,CompilerGeneratedAttribute,ExcludeFromCodeCoverageAttribute
+              else
+                dotnet test -f ${{ matrix.targetFramework }} -c ${{ matrix.configuration }} $project --no-build -v Normal --logger trx
+              fi
             else
               echo "Skipping $project - does not support target framework ${{ matrix.targetFramework }} (supports: $target_frameworks)"
             fi
           done
-      
+
       - name: Log event name and matrix integration-tests
         shell: bash 
         run: echo "github.event_name:${{ github.event_name }} matrix.integration-tests:${{ matrix.integration-tests }} github.event.action:${{ github.event.action }} github.event.pull_request.merged:${{ github.event.pull_request.merged }}" 
@@ -194,6 +199,7 @@ jobs:
 
       # Generate test reports and check coverage
       - name: Generate test reports
+        if: matrix.targetFramework == env.COVERAGE_FRAMEWORK
         uses: danielpalme/ReportGenerator-GitHub-Action@5.4.18
         with:
           reports: "./TestResults/Coverage/**/coverage.cobertura.xml"
@@ -201,12 +207,14 @@ jobs:
           reporttypes: "HtmlInline;JsonSummary"
 
       - name: Upload coverage report artifact
+        if: matrix.targetFramework == env.COVERAGE_FRAMEWORK
         uses: actions/upload-artifact@v5
         with:
           name: CoverageReport-${{ matrix.os }}-${{ matrix.targetFramework }}-${{ matrix.configuration }} # Artifact name
           path: ./TestResults/Reports # Directory containing files to upload
 
       - name: Check coverage
+        if: matrix.targetFramework == env.COVERAGE_FRAMEWORK
         shell: pwsh
         run: .github/workflows/dotnet-check-coverage.ps1 -JsonReportPath "TestResults/Reports/Summary.json" -CoverageThreshold $env:COVERAGE_THRESHOLD
 

.github/workflows/dotnet-format.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { dotnet: "9.0", configuration: Release, os: ubuntu-latest }
+          - { dotnet: "10.0", configuration: Release, os: ubuntu-latest }
 
     runs-on: ${{ matrix.os }}
     env: