Update publish-to-nuget.yml

Author: phmatray

.github/workflows/publish-to-nuget.yml

@@ -42,5 +42,5 @@ jobs:
       run: dotnet test --configuration $BUILD_CONFIG --no-build --verbosity normal --framework net7.0
 
     - name: Publish to NuGet
-      if: startsWith(github.ref, 'refs/heads/release')
+      if: startsWith(github.ref, 'refs/tags')
       run: nuget push **\*.nupkg -Source 'https://api.nuget.org/v3/index.json' -ApiKey ${{secrets.NUGET_API_KEY}}