Merge branch 'jm-zoekt-index-percent-used-scheduling-worker' into 'master'

Update storage used on zoekt index after indexing tasks complete

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/166403



Merged-by: Terri Chu <tchu@gitlab.com>
Approved-by: Terri Chu <tchu@gitlab.com>
Reviewed-by: Doug Stull <dstull@gitlab.com>
Reviewed-by: Terri Chu <tchu@gitlab.com>
Co-authored-by: John Mason <jmason@gitlab.com>