fix(ci): add --results-directory to dotnet test for TRX output path

The Build and Test workflow was failing because dotnet test writes
TRX files to TestResults/ in the CWD (repo root) by default, but
the upload-artifact and dorny/test-reporter steps expected them at
src/BlazorWebFormsComponents.Test/TestResults/. Adding
--results-directory ensures the TRX file lands where both steps
can find it.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: csharpfritz

.github/workflows/build.yml

@@ -57,7 +57,7 @@ jobs:
         run: dotnet build samples/AfterBlazorClientSide/AfterBlazorClientSide.csproj --configuration Release --no-restore
 
       - name: Run tests
-        run: dotnet test src/BlazorWebFormsComponents.Test/BlazorWebFormsComponents.Test.csproj --configuration Release --no-build --verbosity normal --logger "trx;LogFileName=test-results.trx"
+        run: dotnet test src/BlazorWebFormsComponents.Test/BlazorWebFormsComponents.Test.csproj --configuration Release --no-build --verbosity normal --logger "trx;LogFileName=test-results.trx" --results-directory src/BlazorWebFormsComponents.Test/TestResults
 
       - name: Upload test results
         uses: actions/upload-artifact@v4