From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   5971b4191999..918cdaef52e7  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 918cdaef52e7 [TableGen] Use StringRef::substr instead of StringRef::slice (NFC) (#139485)