[WD-8137] change link in Ubuntu Pro legal page

[akbarkz]

Done

• Direct View the Ubuntu Pro service description link on /legal/ubuntu-pro page to /legal/ubuntu-pro-description
• Redirect /legal/ubuntu-pro-description URL to new PDF asset link provided in copy doc

QA

• Check out this feature branch
• Run the site using the command ./run serve or dotrun
• View the site locally in your web browser at: http://0.0.0.0:8001/
  • Be sure to test on mobile, tablet and desktop screen sizes
• Navigate to /legal/ubuntu-pro page and check the View the Ubuntu Pro service description link

Issue / Card

Fixes https://warthogs.atlassian.net/browse/WD-8137

Help

QA steps - Commit guidelines

[webteam-app]

Demo starting at https://ubuntu-com-13442.demos.haus

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (12c9272) 74.41% compared to head (3299c30) 74.41%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #13442   +/-   ##
=======================================
  Coverage   74.41%   74.41%           
=======================================
  Files         107      107           
  Lines        2838     2838           
  Branches      946      946           
=======================================
  Hits         2112     2112           
  Misses        702      702           
  Partials       24       24