remove all use of the word 'error' in these comments

[brendanheywood]

https://github.com/catalyst/catalyst-moodle-workflows/blob/0dbfb8a10c02cc47023ff4964f1857d6937ceb2a/.github/plugin/setup/action.yml#L174-L182

Just reword it so that you don't get false positives when searching for error in ci logs