Fix Cop/LineBreakAroundConditionalBlock failure

lib/gitlab/import_export/fast_hash_serializer.rb

@@ -135,7 +135,10 @@ module Gitlab
 
         data = []
 
-        record.in_batches(of: @batch_size) do |batch| # rubocop:disable Cop/InBatches
+        # rubocop:disable Cop/InBatches
+        # If we put `rubocop:disable` inline after `do |batch|`,
+        # `Cop/LineBreakAroundConditionalBlock` will fail
+        record.in_batches(of: @batch_size) do |batch|
           if Feature.enabled?(:export_fast_serialize_with_raw_json, default_enabled: true)
             data.append(JSONBatchRelation.new(batch, options, preloads[key]).tap(&:raw_json))
           else
@@ -143,6 +146,7 @@ module Gitlab
             data += batch.as_json(options)
           end
         end
+        # rubocop:enable Cop/InBatches
 
         data
       end