feat: update conventional-changelog packages

[escapedcat]

Update packages:

• conventional-changelog-angular to v8
• conventional-changelog-atom to v5
• conventional-changelog-conventionalcommits to v8
• conventional-commits-parser to v6

@JounQin I gave it a try and failed. If you find some time maybe you can have a look?

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[sheerlox]

From what I've observed on https://github.com/insurgent-lab/commitlint-config/pull/99, upgrading conventional-changelog-conventionalcommits to v8 in config-conventional breaks the ! in commit titles:

validMessages: [
  'fix: some message',
  'refactor!: some message', // <- fails
  'fix(scope): some message',
  'fix(scope): some Message',
  'fix(scope): some message\n\nBREAKING CHANGE: it will be significant!',
  'fix(scope): some message\n\nbody',
  'fix(scope)!: some message\n\nbody', // <- fails
],

CI test run: https://github.com/insurgent-lab/commitlint-config/actions/runs/9463301740/job/26068172529

Example failure from @commitlint/cli:

⧗   input: refactor!: migrate to ESM

BREAKING CHANGE: the package is now pure ESM
✖   subject may not be empty [subject-empty]
✖   type may not be empty [type-empty]

✖   found 2 problems, 0 warnings

I'll stay on 7.0.2 for now, no big deal, I just wanted to add some potentially useful input here, especially since the failure in CI here isn't very helpful