Merge branch 'frozen-string-enable-complete' into 'master'

Turn on frozen string cop for all of spec

Closes #27703

See merge request gitlab-org/gitlab!20754

.rubocop.yml

@@ -56,7 +56,6 @@ Style/FrozenStringLiteralComment:
     - 'qa/**/*'
     - 'rubocop/**/*'
     - 'scripts/**/*'
-    - 'spec/lib/gitlab/**/*'
 
 RSpec/FilePath:
   Exclude:

spec/lib/gitlab/ci/build/context/build_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Ci::Build::Context::Build do

spec/lib/gitlab/ci/build/context/global_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Ci::Build::Context::Global do