fix: upgrade pg from 8.14.1 to 8.15.1

Snyk has created this PR to upgrade pg from 8.14.1 to 8.15.1.

See this package in npm:
pg

See this project in Snyk:
https://app.snyk.io/org/20kaushik02/project/b4833e61-9c4d-40ff-afd5-54cf293ce6bc?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -30,7 +30,7 @@
     "express-validator": "^7.2.1",
     "helmet": "^8.1.0",
     "multer": "^1.4.5-lts.2",
-    "pg": "^8.14.1",
+    "pg": "^8.15.1",
     "redis": "^4.7.0",
     "reflect-metadata": "^0.2.2",
     "sequelize": "^6.37.6",