chore(deps): update commitlint monorepo to v20

Author: renovate[bot]

package.json

@@ -9,8 +9,8 @@
 		"format": "prettier --write \"*.md\" \"package.json\""
 	},
 	"devDependencies": {
-		"@commitlint/cli": "^18.6.1",
-		"@commitlint/config-conventional": "^18.6.3",
+		"@commitlint/cli": "^20.4.1",
+		"@commitlint/config-conventional": "^20.4.1",
 		"@sapphire/prettier-config": "^2.0.0",
 		"cz-conventional-changelog": "^3.3.0",
 		"lint-staged": "^15.5.2",