chore(deps): update commitlint monorepo to v20

Author: renovate[bot]

package.json

@@ -33,8 +33,8 @@
     "sync-mime-types": "tsx scripts/sync-mime-types.mts"
   },
   "devDependencies": {
-    "@commitlint/cli": "^19.8.1",
-    "@commitlint/config-conventional": "^19.8.1",
+    "@commitlint/cli": "^20.4.1",
+    "@commitlint/config-conventional": "^20.4.1",
     "@favware/cliff-jumper": "^6.0.0",
     "@sapphire/eslint-config": "^5.0.6",
     "@sapphire/prettier-config": "^2.0.0",