feat: update dotnet workflow to use PowerShell and ensure dotnet restore runs before analysis

Author: glebournault

.github/workflows/dotnet.yml

@@ -67,9 +67,10 @@ jobs:
 
       - name: build and analyze
         if: matrix.platform.name == 'MacOS'
+        shell: pwsh
         run: |
-          dotnet restore
           dotnet tool install --global dotnet-coverage
+          dotnet restore
           ./.sonar/scanner/dotnet-sonarscanner begin /k:"magic5644_codeLineCounter" /o:"magic5644" /d:sonar.token="${{ secrets.SONAR_TOKEN }}" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.cs.vscoveragexml.reportsPaths=coverage.xml /d:sonar.scanner.scanAll=false
           dotnet build --no-incremental
           dotnet-coverage collect 'dotnet test --no-build' -f xml  -o 'coverage.xml'