Update upload-artifact action to version 4

Author: rbenzing

.github/workflows/dotnet.yml

@@ -90,7 +90,7 @@ jobs:
       run: dotnet pack --configuration Release -p:Version=${{ steps.version.outputs.version }} --output ./packages
 
     - name: Upload Package Artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: nuget-packages
         path: ./packages/*.nupkg