UML-3121 make redirect uri dynamic

[MishNajam]

Purpose

Briefly describe the purpose of the change, and/or link to the JIRA ticket for context

Fixes UML-####

Approach

Explain how your code addresses the purpose of the change

Learning

Any tips and tricks, blog posts or tools which helped you. Plus anything notable you've discovered about the Use a Lasting Power of Attorney service

Checklist

• I have performed a self-review of my own code
• I have added relevant logging with appropriate levels to my code
• New event_codes have been documented on the wiki page
• I have updated documentation (Confluence/GitHub wiki/tech debt doc) where relevant
• I have added tests to prove my work
• I have added welsh translation tags and updated translation files
• I have run an accessibility tool on any pages I have made changes to and fixed any issues found
• I have notified the Interaction Designer of any content changes so that appropriate screenshots/flow diagram changes can be made
• The product team have tested these changes

[codecov]

Codecov Report

Merging #2385 (ed453e6) into main (cc66851) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #2385      +/-   ##
============================================
+ Coverage     92.01%   92.03%   +0.02%     
- Complexity     1459     1463       +4     
============================================
  Files           276      279       +3     
  Lines          6638     6656      +18     
============================================
+ Hits           6108     6126      +18     
  Misses          513      513              
  Partials         17       17              

Flag	Coverage Δ
use-an-lpa-admin	88.81% <ø> (ø)
use-an-lpa-api	96.84% <100.00%> (+0.06%)	⬆️
use-an-lpa-front	89.22% <100.00%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...entication/OneLoginAuthorisationRequestService.php	100.00% <100.00%> (ø)
.../src/App/src/Service/Aws/SecretsManagerFactory.php	100.00% <100.00%> (ø)
...vice-front/app/src/Actor/src/Form/OneLoginForm.php	100.00% <100.00%> (ø)
...rc/Common/src/Service/OneLogin/OneLoginService.php	100.00% <100.00%> (ø)