Add timeout and GitLab SHA to telemetry for RSpec setup time

What does this MR do and why?

This MR improves telemetry for RSpec setup time by adding a 2-second timeout to avoid hanging and includes the current GitLab commit SHA to help catch outlier events tied to specific commits.

Related to #545979 (closed)

References

Screenshots or screen recordings

N/A

How to set up and validate locally

You can follow the steps from gitlab-development-kit!4882 (merged).

MR acceptance checklist

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