[ci skip] use github.actor

.github/workflows/flathub.yml

@@ -62,8 +62,8 @@ jobs:
           rm yq
       - name: Commit and push
         run: |
-          git config --global user.email "${{ github.event.sender.email }}"
-          git config --global user.name "${{ github.event.sender.name }}"
+          git config user.name "${{ github.actor }}"
+          git config user.email "${{ github.actor_id }}+${{ github.actor }}@users.noreply.github.com"
           git stage .
           git commit -m "Prepare release ${{needs.get-version.outputs.semVerStr}}"
           git push