Follow-up from "Use vulnerability finding report type for feedback category"

The following discussion from !44492 (merged) should be addressed:

• @jschafer started a discussion: (+1 comment)

question: Are there tests we should update? Perhaps in ee/spec/models/vulnerabilities/finding_spec.rb ?

Relevant code:

https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/app/models/vulnerabilities/finding.rb#L55-62

    REPORT_TYPES = {
      sast: 0,
      dependency_scanning: 1,
      container_scanning: 2,
      dast: 3,
      secret_detection: 4,
      coverage_fuzzing: 5
    }.with_indifferent_access.freeze