Merge branch 'update-haml-lint-spec-helpers' into 'master'

Update haml_lint to include linter spec helpers

See merge request gitlab-org/gitlab-ee!12812

Gemfile

@@ -375,7 +375,7 @@ group :development, :test do
   gem 'rubocop-rspec', '~> 1.22.1'
 
   gem 'scss_lint', '~> 0.56.0', require: false
-  gem 'haml_lint', '~> 0.30.0', require: false
+  gem 'haml_lint', '~> 0.31.0', require: false
   gem 'simplecov', '~> 0.14.0', require: false
   gem 'bundler-audit', '~> 0.5.0', require: false
 

Gemfile.lock

@@ -388,7 +388,7 @@ GEM
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt
-    haml_lint (0.30.0)
+    haml_lint (0.31.0)
       haml (>= 4.0, < 5.1)
       rainbow
       rake (>= 10, < 13)
@@ -1129,7 +1129,7 @@ DEPENDENCIES
   graphql (~> 1.8.0)
   grpc (~> 1.19.0)
   gssapi
-  haml_lint (~> 0.30.0)
+  haml_lint (~> 0.31.0)
   hamlit (~> 2.8.8)
   hangouts-chat (~> 0.0.5)
   hashie-forbidden_attributes