Evaluate the CTA for the GitLab bot on Feedback

As a part of pushing the newsletter sign-ups for FY24 Q3 OKRs, we replaced the contributor survey CTA in the Code Review Experience Feedback section of the GitLab bot community contributions workflow. MR: gitlab-org/quality/triage-ops!1801 (merged)

Evaluate whether this has been effective or if we need to swap back the contributor survey.