update migration to configure canada notice with just ca region

[adamsachs]

Partially closes PROD-1903

done alongside https://github.com/ethyca/fidesplus/pull/1366

Description Of Changes

See ticket (https://ethyca.atlassian.net/browse/PROD-1903) for context

Code Changes

• update migration

Steps to Confirm

• checkout an old (2.31.0) version of fides locally, start up the server, turn it off
• checkout this branch, start up the server, ensure migration runs and that Canada experience has just Canada as a location
  -- this looked good testing with fidesplus, see screenshot post-migration:
  

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • documentation complete, PR opened in fidesdocs
  • documentation issue created in fidesdocs
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md
• For API changes, the Postman collection has been updated

[vercel]

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1 Ignored Deployment

Name	Status	Preview	Comments	Updated (UTC)
fides-plus-nightly	⬜️ Ignored (Inspect)	Visit Preview		Mar 29, 2024 10:25pm

[cypress]

Passing run #6969 ↗︎

0	4	0	0	0
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Details:

Merge 4dfe94c into 321e9d4...
Project: fides	Commit: 6ef08f6f95 ℹ️
Status: Passed	Duration: 00:32 💡
Started: Mar 29, 2024 10:36 PM	Ended: Mar 29, 2024 10:37 PM

Review all test suite changes for PR #4762 ↗︎

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.64%. Comparing base (321e9d4) to head (4dfe94c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4762   +/-   ##
=======================================
  Coverage   86.64%   86.64%           
=======================================
  Files         338      338           
  Lines       19993    19993           
  Branches     2555     2555           
=======================================
  Hits        17323    17323           
  Misses       2201     2201           
  Partials      469      469           

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