Update dependency GoogleCloudPlatform/gsutil to v5.34

See merge request https://gitlab.com/gitlab-org/build/CNG/-/merge_requests/2333



Merged-by: Jason Plum <jplum@gitlab.com>
Approved-by: João Alexandre Cunha <j.a.cunha@gmail.com>
Approved-by: Jason Plum <jplum@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>