Fix 1 rubocop violations for GraphQL/FieldDefinitions
requested to merge gitlab--housekeeper--keeps--rubocop-fixer--graph-q-l--field-definitions-ee-app-graphql-types-vulnerability_type-rb into master
Fixes the GraphQL/FieldDefinitions violations for the first 20 that are excluded.
This was generated by an in-progress Keep being implemented in !144421 (merged)
This change was generated by gitlab-housekeeper