chore: improve conventional commits check

[NickCrews]

• update comment when the commitlint now passes
• echo the output for easier debugging
• improve title of the comment job

[github-actions]

ACTION NEEDED

Ibis follows the Conventional Commits specification for release automation.

The PR title and description are used as the merge commit message.

Please update your PR title and description to match the specification.

See https://github.com/ibis-project/ibis/blob/main/.releaserc.js
for the list of acceptable prefixes, eg "feat:", "fix:", "chore:", etc.

The commitlint output is:

⧗   input: CI: improve conventional commits check

- update comment when the commitlint now passes
- echo the output for easier debugging
- improve title of the comment job
✖   type must be lower-case [type-case]
✖   type must be one of [build, chore, ci, depr, docs, feat, fix, perf, refactor, revert, style, test] [type-enum]

✖   found 2 problems, 0 warnings
ⓘ   Get help: https://github.com/conventional-changelog/commitlint/#what-is-commitlint

[cpcloud]

Thanks!