fix: upgrade @loopback/core from 6.0.2 to 6.1.4

Snyk has created this PR to upgrade @loopback/core from 6.0.2 to 6.1.4.

See this package in npm:
@loopback/core

See this project in Snyk:
https://app.snyk.io/org/ashishkaushik/project/831f9f25-9317-4b52-8abd-f618a4ee8e6b?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -47,7 +47,7 @@
     "!*/__tests__"
   ],
   "dependencies": {
-    "@loopback/core": "^6.0.2",
+    "@loopback/core": "^6.1.4",
     "casbin": "^5.28.0",
     "casbin-pg-adapter": "^1.4.0",
     "lodash": "^4.17.21"