Bump pg from 1.1.4 to 1.2.0 (#12725)

Bumps [pg](https://github.com/ged/ruby-pg) from 1.1.4 to 1.2.0.
- [Release notes](https://github.com/ged/ruby-pg/releases)
- [Changelog](https://github.com/ged/ruby-pg/blob/master/History.rdoc)
- [Commits](https://github.com/ged/ruby-pg/compare/v1.1.4...v1.2.0)

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

Gemfile

@@ -11,7 +11,7 @@ gem 'sprockets', '~> 3.7'
 gem 'thor', '~> 0.20'
 
 gem 'hamlit-rails', '~> 0.2'
-gem 'pg', '~> 1.1'
+gem 'pg', '~> 1.2'
 gem 'makara', '~> 0.4'
 gem 'pghero', '~> 2.4'
 gem 'dotenv-rails', '~> 2.7'

Gemfile.lock

@@ -432,7 +432,7 @@ GEM
     pastel (0.7.3)
       equatable (~> 0.6)
       tty-color (~> 0.5)
-    pg (1.1.4)
+    pg (1.2.0)
     pghero (2.4.1)
       activerecord (>= 5)
     pkg-config (1.4.0)
@@ -755,7 +755,7 @@ DEPENDENCIES
   parallel (~> 1.19)
   parallel_tests (~> 2.30)
   parslet
-  pg (~> 1.1)
+  pg (~> 1.2)
   pghero (~> 2.4)
   pkg-config (~> 1.4)
   posix-spawn!