build(deps-dev): bump @commitlint/config-conventional

Bumps [@commitlint/config-conventional](https://github.com/conventional-changelog/commitlint/tree/HEAD/@commitlint/config-conventional) from 17.0.2 to 20.3.1.
- [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/v20.3.1/@commitlint/config-conventional)

---
updated-dependencies:
- dependency-name: "@commitlint/config-conventional"
  dependency-version: 20.3.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
   },
   "devDependencies": {
     "@commitlint/cli": "^17.0.2",
-    "@commitlint/config-conventional": "^17.0.2",
+    "@commitlint/config-conventional": "^20.3.1",
     "@djthoms/eslint-config": "^5.0.1",
     "@djthoms/prettier-config": "^4.0.0",
     "@pika/pack": "^0.5.0",