chore(deps): update commitlint monorepo to v20

Author: renovate[bot]

package.json

@@ -34,9 +34,9 @@
   },
   "homepage": "https://github.com/CodeTanzania/majifix",
   "devDependencies": {
-    "@commitlint/cli": "8.3.5",
-    "@commitlint/config-conventional": "8.3.4",
-    "@commitlint/travis-cli": "8.3.5",
+    "@commitlint/cli": "20.2.0",
+    "@commitlint/config-conventional": "20.2.0",
+    "@commitlint/travis-cli": "20.2.0",
     "commitizen": "4.0.3",
     "cz-conventional-changelog": "3.0.2",
     "generate-changelog": "1.8.0",