Update gitlab-styles gem in overcommit

tooling/overcommit/Gemfile

@@ -4,6 +4,6 @@
 source 'https://rubygems.org'
 
 gem 'overcommit'
-gem 'gitlab-styles', '~> 5.2.0', require: false
+gem 'gitlab-styles', '~> 5.3.0', require: false
 gem 'scss_lint', '~> 0.56.0', require: false
 gem 'haml_lint', '~> 0.34.0', require: false

tooling/overcommit/Gemfile.lock

@@ -11,7 +11,7 @@ GEM
     childprocess (3.0.0)
     concurrent-ruby (1.1.7)
     ffi (1.12.2)
-    gitlab-styles (5.2.0)
+    gitlab-styles (5.3.0)
       rubocop (~> 0.89.1)
       rubocop-gitlab-security (~> 0.1.0)
       rubocop-performance (~> 1.8.1)
@@ -88,7 +88,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  gitlab-styles (~> 5.2.0)
+  gitlab-styles (~> 5.3.0)
   haml_lint (~> 0.34.0)
   overcommit
   scss_lint (~> 0.56.0)