chore(deps): update dependency pg to v8.15.1 (#2285)

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

Author: renovate[bot]

package-lock.json

@@ -39,7 +39,7 @@
     "jest": "29.7.0",
     "lint-staged": "15.5.1",
     "mysql": "2.18.1",
-    "pg": "8.14.1",
+    "pg": "8.15.1",
     "prettier": "3.5.3",
     "reflect-metadata": "0.2.2",
     "release-it": "19.0.1",