pre-commit hook skips even though a renovate.json file exists

[lmilbaum]

renovate-config-validator............................(no files to check)Skipped

[maxbrunet]

pre-commit only runs on the changed files, so if renovate.json has no staged changes, it will not be checked.

The CI tests the hook with --all-files and it passes:

https://github.com/renovatebot/pre-commit-hooks/runs/8180885985?check_suite_focus=true#step:5:26

Please see the official documentation for more information: https://pre-commit.com/#pre-commit-run