build(deps): bump pg from 8.12.0 to 8.13.1

Bumps [pg](https://github.com/brianc/node-postgres/tree/HEAD/packages/pg) from 8.12.0 to 8.13.1.
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/commits/pg@8.13.1/packages/pg)

---
updated-dependencies:
- dependency-name: pg
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -49,7 +49,7 @@
     "knex": "^3.1.0",
     "make-fetch-happen": "^14.0.3",
     "node-schedule": "^2.1.1",
-    "pg": "8.12.0",
+    "pg": "8.13.1",
     "socks-proxy-agent": "^8.0.4",
     "sqlite3": "^5.1.7",
     "telegraf": "^4.16.3",