fix(deps): Update dependency @types/pg to v8.15.4 (#725)

This PR contains the following updates:

| Package | Type | Update | Change | Pending |
|---|---|---|---|---|
| [@types/pg](https://redirect.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/pg) ([source](https://redirect.github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/pg)) | devDependencies | minor | [`8.11.14` -> `8.15.4`](https://renovatebot.com/diffs/npm/@types%2fpg/8.11.14/8.15.4) | `8.15.5` |

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Author: cq-bot

package-lock.json

@@ -39,7 +39,7 @@
     "@commitlint/cli": "19.8.1",
     "@commitlint/config-conventional": "19.8.1",
     "@types/node": "22.16.5",
-    "@types/pg": "8.11.14",
+    "@types/pg": "8.15.4",
     "@types/semver": "7.7.0",
     "@typescript-eslint/eslint-plugin": "8.21.0",
     "@typescript-eslint/parser": "8.21.0",