ci: Link to Sentry issues when end-to-end jobs fail

What does this MR do and why?

This will ease debugging as Sentry should be accessible to all engineers by default.

Screenshots or screen recordings

which correctly links to https://sentry.gitlab.net/gitlab/gitlab-review-apps/releases/5e82de44741/all-events/.

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.