Traceback (most recent call last):
  File "/app/./cli.py", line 1661, in handle_release_stage
    library_changes = library_release_data["changes"]
                      ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
KeyError: 'changes'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/app/./cli.py", line 1770, in <module>
    args.func(librarian=args.librarian, repo=args.repo, output=args.output)
    ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/./cli.py", line 1687, in handle_release_stage
    raise ValueError(f"Release stage failed: {e}") from e