chore: update dependency eslint to v9

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

Author: renovate[bot]

package-lock.json

@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@commitlint/config-conventional": "^19.1.0",
-    "eslint": "^8.57.0",
+    "eslint": "^9.0.0",
     "eslint-config-loopback": "^13.1.0",
     "loopback-datasource-juggler": "^5.0.8",
     "mocha": "^10.4.0",