Refactor GitHub Actions workflow for .NET project

Author: raczeja

.github/workflows/dotnet-desktop.yml

@@ -121,7 +121,7 @@ jobs:
         uses: vers-one/dotnet-project-version-updater@v1.7
         with:
           file: |
-              "**/Ocaramba**.csproj", "!**/Ocaramba.Templates.csproj"
+              "**/Ocaramba**.csproj","Ocaramba.Templates.VSIX/source.extension.vsixmanifest", "!**/Ocaramba.Templates.csproj"
           version: ${{ env.templateVersion }}
       - run: msbuild -t:Restore /p:configuration='${{ env.buildConfiguration }}' /v:minimal
       - run: msbuild '${{ env.solution }}' /p:configuration='${{ env.buildConfiguration }}' /p:platform='${{ env.buildPlatform }}' /v:minimal
@@ -140,3 +140,4 @@ jobs:
 
 
 
+