Merge branch '384253-fix-possible-dependency-confusion-pypi' into 'master'

Update --extra-index-url usage in repository webpages

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/105662



Merged-by: Himanshu Kapoor <info@fleon.org>
Approved-by: Brian Williams <bwilliams@gitlab.com>
Approved-by: Himanshu Kapoor <info@fleon.org>
Co-authored-by: usdResponsibleDisclosure <responsible-disclosure@usd.de>