Merge branch 'richard.nigro-master-patch-56493-docs' into 'master'

Update documentation for location of jest default timeout

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/133256



Merged-by: Suzanne Selhorn <sselhorn@gitlab.com>
Approved-by: Tristan Read <tread@gitlab.com>
Co-authored-by: Tristan Read <tread@gitlab.com>
Co-authored-by: Richard Nigro <4877235-richard.nigro@users.noreply.gitlab.com>