Add dotnet tool install --global dotnet-coverage

Author: jbarden

.github/workflows/dotnet.yml

@@ -50,6 +50,7 @@ jobs:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
         shell: powershell
         run: |
+          dotnet tool install --global dotnet-coverage
           .\.sonar\scanner\dotnet-sonarscanner begin /k:"astar-development_astar-dev-functional-extensions" /o:"astar-development" /d:sonar.token="${{ secrets.SONAR_TOKEN }}" /d:sonar.host.url="https://sonarcloud.io"
           dotnet build
           dotnet-coverage collect 'dotnet test --filter "FullyQualifiedName!~Tests.EndToEnd"' -f xml -o 'coverage.xml'