chore: semantic pr title workflow

[bennypowers]

What I did

1. update the commitlint pr title workflow
2. remove workflows which we haven't been taking advantage of

[changeset-bot]

⚠️ No Changeset found

Latest commit: 31ec619

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[bennypowers]

Blocked on kevintyj/prlint#12

[github-actions]

✅ Commitlint tests passed!

More Info

{
  "valid": true,
  "errors": [],
  "warnings": [],
  "input": "chore: semantic pr title workflow"
}