Merge branch '417136-investigate-slowdown-of-pwacontroller-manifest' into 'master'

Add view cache for PWA manifest.json

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/126667



Merged-by: Frédéric Caplette <fcaplette@gitlab.com>
Approved-by: Deepika Guliani <dguliani@gitlab.com>
Approved-by: Gregory Havenga <11164960-ghavenga@users.noreply.gitlab.com>
Approved-by: Rémy Coutable <remy@rymai.me>
Reviewed-by: Rémy Coutable <remy@rymai.me>
Reviewed-by: Frédéric Caplette <fcaplette@gitlab.com>
Reviewed-by: Deepika Guliani <dguliani@gitlab.com>
Co-authored-by: Thomas Hutterer <thutterer@gitlab.com>