Update gitlab-dangerfiles to 2.4.0

What does this MR do and why?

• https://gitlab.com/gitlab-org/gitlab-dangerfiles/-/releases#v2.4.0

  • gitlab-org/gitlab-dangerfiles!67 Add Integrations reviewers to Roulette.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.