build(deps): bump pg from 8.20.0 to 8.21.0 (#7815)

Bumps [pg](https://github.com/brianc/node-postgres/tree/HEAD/packages/pg) from 8.20.0 to 8.21.0.
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/commits/pg@8.21.0/packages/pg)

---
updated-dependencies:
- dependency-name: pg
  dependency-version: 8.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pnpm-lock.yaml

@@ -69,7 +69,7 @@
     "oidc-provider": "9.8.3",
     "openapi-backend": "^5.17.0",
     "pdfkit": "^0.18.0",
-    "pg": "^8.20.0",
+    "pg": "^8.21.0",
     "prom-client": "^15.1.3",
     "proxy-addr": "^2.0.7",
     "rate-limiter-flexible": "^11.1.0",