Use gitlab-shell v3.6.2

Paco Guzman requested to merge 22053-bump-gitlab-shell-to-have-git-trace into master

What does this MR do?

Bump gitlab-shell to v3.6.2 to be able to enable GIT_TRACE_PERFORMANCE output to a log file

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Relates #22053 (moved)

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