chore(deps): update commitlint monorepo to v20

Author: renovate[bot]

bun.lockb

@@ -67,8 +67,8 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
-    "@commitlint/cli": "^19.5.0",
-    "@commitlint/config-conventional": "^19.5.0",
+    "@commitlint/cli": "^20.4.3",
+    "@commitlint/config-conventional": "^20.4.3",
     "@ianvs/prettier-plugin-sort-imports": "^4.3.1",
     "@total-typescript/ts-reset": "^0.6.1",
     "@types/leaflet": "^1.9.14",