npm: bump @commitlint/config-conventional from 18.1.0 to 18.4.0

Bumps [@commitlint/config-conventional](https://github.com/conventional-changelog/commitlint/tree/HEAD/@commitlint/config-conventional) from 18.1.0 to 18.4.0.
- [Release notes](https://github.com/conventional-changelog/commitlint/releases)
- [Changelog](https://github.com/conventional-changelog/commitlint/blob/master/@commitlint/config-conventional/CHANGELOG.md)
- [Commits](https://github.com/conventional-changelog/commitlint/commits/v18.4.0/@commitlint/config-conventional)

---
updated-dependencies:
- dependency-name: "@commitlint/config-conventional"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -19,7 +19,7 @@
  },
  "devDependencies": {
  "@commitlint/cli": "^18.4.1",
- "@commitlint/config-conventional": "^18.1.0",
+ "@commitlint/config-conventional": "^18.4.0",
  "devmoji": "^2.3.0",
  "eslint-config-wikimedia": "0.25.1",
  "grunt-banana-checker": "0.11.1",