chore(deps): update commitlint monorepo to v20 (#8)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -60,8 +60,8 @@
     ]
   },
   "devDependencies": {
-    "@commitlint/cli": "^19.8.1",
-    "@commitlint/config-conventional": "^19.8.1",
+    "@commitlint/cli": "^20.0.0",
+    "@commitlint/config-conventional": "^20.0.0",
     "@eslint/js": "^9.35.0",
     "@rollup/plugin-commonjs": "^28.0.6",
     "@rollup/plugin-node-resolve": "^16.0.1",