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

Author: dscho

.github/workflows/upload-snapshot.yml

@@ -256,7 +256,7 @@ jobs:
           git -C gh-pages \
             -c user.name="${{ github.actor }}" \
             -c user.email="${{ github.actor }}@noreply.github.com" \
-            commit -sm "Add snapshot: ${{ steps.bundle-artifacts.outputs.ver }}" &&
+            commit -sm "Add snapshot: ${{ steps.bundle-artifacts.outputs.ver }}" index.html &&
           git -C gh-pages push &&
           echo "::notice::Updated https://gitforwindows.org/git-snapshots (pending GitHub Pages deployment)"
       - name: mark check run as completed