extension_rollout: Add support for renaming and deleting files (#47329)
This is in preparation for removing one of the files in favor of having
just one larger one (and perhaps renaming that in the future).
Release Notes:
- N/A
9ac94ce3e6Finn Evers committed on 1/22/2026, 12:13:10 AM· committed by GitHubparentd42fe0b