Bump pg from 0.21.0 to 1.1.3 (#186)

Bumps [pg](https://bitbucket.org/ged/ruby-pg) from 0.21.0 to 1.1.3.
- [Changelog](https://bitbucket.org/ged/ruby-pg/src/master/History.rdoc)
- [Commits](https://bitbucket.org/ged/ruby-pg/branches/compare/v1.1.3..v0.21.0)

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

Gemfile

@@ -19,7 +19,7 @@ gem 'foreman'
 gem 'hootstrap', '~> 0.7.0'
 gem 'kaminari', '~> 1.1'
 gem 'local_time', '~> 2.1'
-gem 'pg', '~> 0.18'
+gem 'pg', '~> 1.1'
 gem 'puma', '~> 3.12'
 gem 'rack-cors', '~> 1.0', '>= 1.0.2'
 gem 'rails', '~> 5.2.1'

Gemfile.lock

@@ -204,7 +204,7 @@ GEM
     nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
-    pg (0.21.0)
+    pg (1.1.3)
     popper_js (1.14.3)
     public_suffix (3.0.2)
     puma (3.12.0)
@@ -337,7 +337,7 @@ DEPENDENCIES
   minitest-ci
   minitest-rails-capybara
   mocha (~> 1.7)
-  pg (~> 0.18)
+  pg (~> 1.1)
   puma (~> 3.12)
   rack-cors (~> 1.0, >= 1.0.2)
   rails (~> 5.2.1)