Update persona links to handbook subdomain
What does this MR do and why?
about.
is being redirected to handbook.
, but should we update the links still? These are particularly contributor-facing.
I used sd 'about.gitlab.com/handbook/product/personas' 'handbook.gitlab.com/handbook/product/personas' .gitlab/ doc/
here, but there are still hundreds of old links more:
$ rg --count 'about.gitlab.com/handbook/' . | wc -l
427
I'd be fine with those getting included here, or directed to a follow-up MR.
Edited by Katrin Leinweber