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

Bumps [@commitlint/config-conventional](https://github.com/conventional-changelog/commitlint) from 8.3.4 to 12.0.0.
- [Release notes](https://github.com/conventional-changelog/commitlint/releases)
- [Changelog](https://github.com/conventional-changelog/commitlint/blob/master/CHANGELOG.md)
- [Commits](conventional-changelog/commitlint@v8.3.4...v12.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -41,7 +41,7 @@
 	},
 	"devDependencies": {
 		"@commitlint/cli": "^8.3.5",
-		"@commitlint/config-conventional": "^8.3.4",
+		"@commitlint/config-conventional": "^12.0.0",
 		"ava": "^3.5.0",
 		"coveralls": "^3.0.6",
 		"husky": "^4.2.3",