ci: prevent dev-nightly release when receive pr

Author: std-microblock

.github/workflows/msbuild.yml

@@ -43,6 +43,7 @@ jobs:
 
     - uses: "marvinpinto/action-automatic-releases@latest"
       name: Upload to Github Release
+      if: github.event_name != 'pull_request'
       with:
         repo_token: "${{ secrets.GITHUB_TOKEN }}"
         automatic_release_tag: "dev-nightly"