chore(deps): update actions/upload-artifact action to v4.3.6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -87,7 +87,7 @@ jobs:
 
       - name: Publish NuGet packages (fork)
         if: github.event.pull_request.head.repo.fork == true
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           name: nupkgs
           path: src/**/*.nupkg