Update .github/workflows/dotnet.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: paulirwin

.github/workflows/dotnet.yml

@@ -31,7 +31,7 @@ jobs:
       run: dotnet test -c Release --no-build --verbosity normal
     - name: Pack NuGet packages
       if: github.event_name != 'pull_request' && matrix.os == 'windows-latest'
-      run: dotnet pack --no-build --output nupkgs
+      run: dotnet pack -c Release --no-build --output nupkgs
     - name: Upload NuGet packages
       if: github.event_name != 'pull_request' && matrix.os == 'windows-latest'
       uses: actions/upload-artifact@v4