Bump pg from 1.5.4 to 1.5.5

Bumps [pg](https://github.com/ged/ruby-pg) from 1.5.4 to 1.5.5.
- [Changelog](https://github.com/ged/ruby-pg/blob/master/History.md)
- [Commits](ged/ruby-pg@v1.5.4...v1.5.5)

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

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

Gemfile.lock

@@ -191,7 +191,7 @@ GEM
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
     pagy (6.4.4)
-    pg (1.5.4)
+    pg (1.5.5)
     pg_query (5.1.0)
       google-protobuf (>= 3.22.3)
     pghero (3.4.1)