Fix Release CI

Per dotnet/sdk#30624 (comment)

Author: viceroypenguin

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
       run: dotnet build -c Release --no-restore
 
     - name: Package 
-      run: dotnet pack -c Release --no-build -o nupkgs
+      run: dotnet pack -c Release --no-build --property:PackageOutputPath=../../nupkgs
     - name: Push to Nuget
       run: dotnet nuget push "./nupkgs/*.nupkg" --source "https://api.nuget.org/v3/index.json" --api-key ${{ secrets.NUGETPUBLISHKEY }}