Bump vanilla to 3.12.1

[jpmartinspt]

Done

Bump vanilla to 3.12.1

QA

• Check out this feature branch
• Run the site using the command ./run serve or dotrun
• Check in the following pages that the small caps text looks good:
  • /pro
  • /pro/dashboard
  • /pro/tutorial
  • /pricing/pro
  • /certified/why-certify
  • /security/esm

[webteam-app]

Demo starting at https://ubuntu-com-12664.demos.haus

[codecov]

Codecov Report

Merging #12664 (a2307ce) into main (93d2b00) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main   #12664   +/-   ##
=======================================
  Coverage   73.66%   73.66%           
=======================================
  Files         104      104           
  Lines        2681     2681           
  Branches      835      835           
=======================================
  Hits         1975     1975           
  Misses        678      678           
  Partials       28       28           

Impacted Files	Coverage Δ
...js/src/advantage/offers/components/Offer/Offer.tsx	100.00% <ø> (ø)
...bscriptions/SubscriptionList/ListCard/ListCard.tsx	95.00% <ø> (ø)
...criptions/SubscriptionList/ListGroup/ListGroup.tsx	100.00% <ø> (ø)
...js/src/advantage/users/components/Organisation.tsx	100.00% <ø> (ø)

[anthonydillon]

There are some over effected muted-headings:

Which looks like it matches Vanilla: https://vanillaframework.io/docs/patterns/muted-heading

[anthonydillon]

LGTM, filed a separate issue for the list change canonical/vanilla-framework#4696

[anthonydillon]

Code and QA (but not every page but a lot) 👍