fixup! Add a workflow definition to upload Git for Windows' snapshots

Author: dscho

.github/workflows/upload-snapshot.yml

@@ -251,7 +251,12 @@ jobs:
                 .map(path => `${urlPrefix}${path.replace(/.*\//, '')}`)
             )
       - name: push gh-pages
-        run: git -C gh-pages push
+        run: |
+          git -C gh-pages \
+            -c user.author="${{ github.actor }}" \
+            -c user.email="${{ github.actor }}@noreply.github.com" \
+            commit -sm "Add snapshot: ${{ steps.bundle-artifacts.outputs.ver }}" &&
+          git -C gh-pages push
       - name: mark check run as completed
         if: env.CREATE_CHECK_RUN != 'false' && always()
         uses: ./.github/actions/check-run-action