Merge branch 'tailwind/migrate-responsive-font-weight' into 'master'

Migrate responsive font weight utils to Tailwind

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/155233



Merged-by: Mark Florian <mflorian@gitlab.com>
Approved-by: Jay Montal <jmontal@gitlab.com>
Approved-by: Mark Florian <mflorian@gitlab.com>
Co-authored-by: lorenzvanherwaarden <lvanherwaarden@gitlab.com>