Merge branch '483012-update-to-sticky' into 'master'

Update InitialPipelineProcessWorker to sticky

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/169466



Merged-by: Marius Bobin <mbobin@gitlab.com>
Approved-by: Sylvester Chin <schin@gitlab.com>
Approved-by: Tianwen Chen <tchen@gitlab.com>
Reviewed-by: Marius Bobin <mbobin@gitlab.com>
Reviewed-by: Sylvester Chin <schin@gitlab.com>