upgrade upload-artifact

Author: deanmarcussen

.github/workflows/publish.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Push with dotnet
         run: dotnet nuget push artifacts/*.nupkg --api-key ${{ secrets.API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
       - name: Archive artifacts
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: artifacts
           path: artifacts