Bump pg from 1.1.3 to 1.1.4 (#9798)

Bumps [pg](https://bitbucket.org/ged/ruby-pg) from 1.1.3 to 1.1.4.
- [Changelog](https://bitbucket.org/ged/ruby-pg/src/default/History.rdoc)
- [Commits](https://bitbucket.org/ged/ruby-pg/branches/compare/v1.1.4..v1.1.3)

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

Gemfile.lock

@@ -397,7 +397,7 @@ GEM
     pastel (0.7.2)
       equatable (~> 0.5.0)
       tty-color (~> 0.4.0)
-    pg (1.1.3)
+    pg (1.1.4)
     pghero (2.2.0)
       activerecord
     pkg-config (1.3.2)