Fix generate_changelog -> generate_release_notes (#25442)

Author: zhangskz

.github/workflows/release_bazel_module.yaml

@@ -20,7 +20,7 @@ jobs:
     with:
       release_files: protobuf-*.bazel.tar.gz
       prerelease: ${{ contains(inputs.tag_name, '-rc') }}
-      generate_changelog: false
+      generate_release_notes: false
       tag_name: ${{ inputs.tag_name }}
       # The release was already created by Google-internal mechanism,
       # so there aren't any useful assertions to make here.