Bump pg from 1.5.3 to 1.5.4

Bumps [pg](https://github.com/ged/ruby-pg) from 1.5.3 to 1.5.4.
- [Changelog](https://github.com/ged/ruby-pg/blob/master/History.md)
- [Commits](ged/ruby-pg@v1.5.3...v1.5.4)

---
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

@@ -142,7 +142,7 @@ GEM
     passenger (6.0.18)
       rack
       rake (>= 0.8.1)
-    pg (1.5.3)
+    pg (1.5.4)
     popper_js (2.11.8)
     pry (0.14.2)
       coderay (~> 1.1)