Add frozen_string_literal to spec/lib

Using the sed script from
https://gitlab.com/gitlab-org/gitlab-ce/issues/59758

spec/lib/after_commit_queue_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AfterCommitQueue do

spec/lib/api/api_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe API::API do

spec/lib/api/helpers/custom_validators_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe API::Helpers::CustomValidators do

spec/lib/api/helpers/pagination_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe API::Helpers::Pagination do

spec/lib/api/helpers/related_resources_helpers_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe API::Helpers::RelatedResourcesHelpers do

spec/lib/api/helpers/version_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe API::Helpers::Version do

spec/lib/api/helpers_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe API::Helpers do

spec/lib/backup/files_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Backup::Files do

spec/lib/backup/manager_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Backup::Manager do

spec/lib/backup/repository_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Backup::Repository do

spec/lib/backup/uploads_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Backup::Uploads do

spec/lib/banzai/color_parser_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::ColorParser do

spec/lib/banzai/commit_renderer_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::CommitRenderer do

spec/lib/banzai/cross_project_reference_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::CrossProjectReference do

spec/lib/banzai/filter/absolute_link_filter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::Filter::AbsoluteLinkFilter do

spec/lib/banzai/filter/abstract_reference_filter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::Filter::AbstractReferenceFilter do

spec/lib/banzai/filter/ascii_doc_post_processing_filter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::Filter::AsciiDocPostProcessingFilter do

spec/lib/banzai/filter/autolink_filter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::Filter::AutolinkFilter do

spec/lib/banzai/filter/blockquote_fence_filter_spec.rb

+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Banzai::Filter::BlockquoteFenceFilter do

spec/lib/banzai/filter/color_filter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Banzai::Filter::ColorFilter, lib: true do