Update banner url

[colinbowen]

Changes in this PR

• Update survey banner url link to AYR smartsurvey link
• Update footer banner url link to AYR smartsurvey link

JIRA ticket

https://national-archives.atlassian.net/browse/AYR-1453

Screenshots of UI changes

Before

After

• Requires env variable(s) to be updated

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.58%. Comparing base (47747a8) to head (311f3c2).
Report is 25 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #714      +/-   ##
==========================================
- Coverage   97.06%   89.58%   -7.49%     
==========================================
  Files          17       25       +8     
  Lines        1091     1354     +263     
==========================================
+ Hits         1059     1213     +154     
- Misses         32      141     +109     

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