fix: Update coverage report format and paths in CI workflow

Author: mattana

.github/workflows/coverage.yml

@@ -21,13 +21,13 @@ jobs:
         run: dotnet restore
 
       - name: Test with coverage
-        run: dotnet test /p:CollectCoverage=true /p:CoverletOutputFormat=opencover /p:Threshold=85 /p:ThresholdType=line
+        run: dotnet test /p:CollectCoverage=true /p:CoverletOutputFormat=cobertura /p:CoverletOutput=./TestResults/Coverage/ /p:Threshold=85 /p:ThresholdType=line
 
       - name: Install reportgenerator
         run: dotnet tool install --global dotnet-reportgenerator-globaltool --version 5.1.0
 
       - name: Generate coverage report
-        run: ~/.dotnet/tools/reportgenerator -reports:**/coverage.opencover.xml -targetdir:coverage-report -reporttypes:Html
+        run: ~/.dotnet/tools/reportgenerator -reports:**/TestResults/Coverage/coverage.cobertura.xml -targetdir:coverage-report -reporttypes:Html
 
       - name: Upload coverage report
         uses: actions/upload-artifact@v4