mv_namespace master failure

Job #176006461 failed for bc1b6253:

Slightly different errors each but all seem to be related through mv_namespace.

Example:

  1) User#authorized_projects does not include projects of destroyed groups user had access to
     Failure/Error: stub(service, storage).__send__(rpc, request, kwargs) # rubocop:disable GitlabSecurity/PublicSend

     GRPC::Internal:
       13:rename /builds/gitlab-org/gitlab-ce/tmp/tests/repositories/group63 /builds/gitlab-org/gitlab-ce/tmp/tests/repositories/group63+503+deleted: no such file or directory
     # ./lib/gitlab/gitaly_client.rb:166:in `call'
     # ./lib/gitlab/gitaly_client/namespace_service.rb:37:in `gitaly_client_call'
     # ./lib/gitlab/gitaly_client/namespace_service.rb:31:in `rename'
     # ./lib/gitlab/shell.rb:310:in `mv_namespace'
     # ./app/models/concerns/storage/legacy_namespace.rb:96:in `block in rm_dir'
     # ./app/models/concerns/storage/legacy_namespace.rb:91:in `each'
     # ./app/models/concerns/storage/legacy_namespace.rb:91:in `rm_dir'
     # ./spec/models/user_spec.rb:2140:in `block (3 levels) in <top (required)>'

https://gitlab.com/gitlab-org/gitlab-ce/-/jobs/176007577

https://gitlab.com/gitlab-org/gitlab-ce/-/jobs/176006928

https://gitlab.com/gitlab-org/gitlab-ce/-/jobs/176007958

https://gitlab.com/gitlab-org/gitlab-ce/-/jobs/176007739

https://gitlab.com/gitlab-org/gitlab-ce/-/jobs/176006461