Bump pg from 1.5.9 to 1.6.2

Bumps [pg](https://github.com/ged/ruby-pg) from 1.5.9 to 1.6.2.
- [Changelog](https://github.com/ged/ruby-pg/blob/master/CHANGELOG.md)
- [Commits](ged/ruby-pg@v1.5.9...v1.6.2)

---
updated-dependencies:
- dependency-name: pg
  dependency-version: 1.6.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -424,7 +424,10 @@ GEM
       ast (~> 2.4.1)
       racc
     pdf-core (0.10.0)
-    pg (1.5.9)
+    pg (1.6.2)
+    pg (1.6.2-arm64-darwin)
+    pg (1.6.2-x86_64-darwin)
+    pg (1.6.2-x86_64-linux)
     pkg-config (1.5.9)
     pp (0.6.2)
       prettyprint