chore: update commitlint monorepo to v19

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

Author: renovate[bot]

package.json

@@ -50,10 +50,10 @@
   "license": "MIT",
   "dependencies": {},
   "devDependencies": {
-    "@commitlint/cli": "17.0.1",
-    "@commitlint/config-conventional": "17.0.0",
-    "@commitlint/config-lerna-scopes": "17.0.0",
-    "@commitlint/travis-cli": "17.0.1",
+    "@commitlint/cli": "19.6.1",
+    "@commitlint/config-conventional": "19.6.0",
+    "@commitlint/config-lerna-scopes": "19.5.0",
+    "@commitlint/travis-cli": "19.6.1",
     "@loopback/build": "9.0.0",
     "@loopback/eslint-config": "13.0.0",
     "@loopback/testlab": "5.0.0",