chore(deps): bump pg from 8.7.1 to 8.11.3

Bumps [pg](https://github.com/brianc/node-postgres/tree/HEAD/packages/pg) from 8.7.1 to 8.11.3.
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/commits/pg@8.11.3/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

@@ -33,7 +33,7 @@
     "gatsby-transformer-sharp": "^4.25.0",
     "html-escaper": "^3.0.3",
     "node-pg-migrate": "^6.0.0",
-    "pg": "^8.7.1",
+    "pg": "^8.11.3",
     "postcss": "^8.3.11",
     "postcss-assets": "^6.0.0",
     "postcss-svg": "^3.0.0",