Merge branch 'kkloss-rake-duration-tracker' into 'main'

Replace start-task and post-update-task with own duration collector

See merge request https://gitlab.com/gitlab-org/gitlab-development-kit/-/merge_requests/3903



Merged-by: Nao Hashizume <nhashizume@gitlab.com>
Approved-by: Nao Hashizume <nhashizume@gitlab.com>
Reviewed-by: Nao Hashizume <nhashizume@gitlab.com>
Co-authored-by: Kev Kloss <kkloss@gitlab.com>