Merge branch '429049_fix_storage_move_flow' into 'master'

Add exclusive lock for UpdateRepositoryStorageWorker

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/136169



Merged-by: Bob Van Landuyt <bob@gitlab.com>
Approved-by: Joe Woodward <jwoodward@gitlab.com>
Reviewed-by: Bob Van Landuyt <bob@gitlab.com>
Reviewed-by: Vasilii Iakliushin <viakliushin@gitlab.com>
Co-authored-by: Vasilii Iakliushin <viakliushin@gitlab.com>