command [git diff] exited with code 128. message: fatal: ambiguous argument 'get-diff-action/main...get-diff-action/pull/8903/merge': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git <command> [<revision>...] -- [<file>...]'

The following actions uses Node.js version which is deprecated and will be forced to run on node20: peter-evans/find-comment@v2, peter-evans/create-or-update-comment@v2, actions/checkout@v3, technote-space/get-diff-action@v6. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

>> fatal: ambiguous argument 'get-diff-action/main...get-diff-action/pull/8903/merge': unknown revision or path not in the working tree.

>> Use '--' to separate paths from revisions, like this: