fix: Convert UUIDField columns to uuid type for MariaDB

[blarghmatey]

Description

The behavior of the MariaDB backend has changed for UUIDField from a CharField(32) to an actual uuid type in Django 5. This migration converts affected columns to prevent data insertion errors.

This migration converts the following columns:

• user_tasks_usertaskstatus.uuid
• user_tasks_usertaskartifact.uuid

Supporting information

https://docs.djangoproject.com/en/5.2/releases/5.0/#migrating-uuidfield

Related PRs

• fix: Convert UUIDField columns to uuid type for MariaDB edx-platform#37494
• fix: Convert UUIDField columns to uuid type for MariaDB enterprise-catalog#1108
• fix: Convert UUIDField columns to uuid type for MariaDB edx-enterprise#2472

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[codecov]

Codecov Report

❌ Patch coverage is 31.03448% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 95.90%. Comparing base (67ba572) to head (6ce04ab).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...r_tasks/migrations/0005_mariadb_uuid_conversion.py	28.57%	19 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##            master     #446      +/-   ##
===========================================
- Coverage   100.00%   95.90%   -4.10%     
===========================================
  Files           17       18       +1     
  Lines          460      488      +28     
  Branches        51       55       +4     
===========================================
+ Hits           460      468       +8     
- Misses           0       19      +19     
- Partials         0        1       +1     

Flag	Coverage Δ
unittests	95.90% <31.03%> (-4.10%)	⬇️

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