chore(deps): update dependency @commitlint/config-conventional to v20

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

Author: renovate[bot]

package-lock.json

@@ -34,7 +34,7 @@
     "loopback-datasource-juggler": "^5.1.10",
     "mocha": "^11.7.1",
     "@commitlint/cli": "^19.0.0",
-    "@commitlint/config-conventional": "^19.0.0"
+    "@commitlint/config-conventional": "^20.0.0"
   },
   "repository": {
     "type": "git",