refactor: Patch user verification code

[apexDev37]

Description

This branch introduces patches and enhancements to the current accounts app. This PR's primary goal was to address the logic to generate a user verification code using the standard Python lib random which is discouraged for potentially sensitive or confidential data. For more details, see PEP506

Fixes: N/A

Type of change

• Bug fix (non-breaking change which fixes an issue)

Decisions

This section outlines notable considerations for developers.

• Currently, the util function to generate a user verification_code is coupled to the secrets lib. This is a minor tradeoff to
  ensure the random lib is not used under the hood. A subsequent patch to decouple the util will be added soon.

Testing

Test Configuration:

The following asserts newly added tests pass:

➜  ~ ### Commands for working with a compose setup.
➜  ~ 
➜  mastori git:(patch-user-verification-code) ✗ docker compose exec -it application python3 manage.py test accounts.tests.test_utils
Found 2 test(s).
System check identified no issues (0 silenced).
..
----------------------------------------------------------------------
Ran 2 tests in 0.008s

OK

The following asserts all project tests pass:

➜  ~ ### Commands for working with a compose setup.
➜  ~ 
➜  mastori git:(patch-user-verification-code) ✗ docker compose exec -it application python3 manage.py test
Found 7 test(s).
Creating test database for alias 'default'...
System check identified no issues (0 silenced).
.. Initial code is 867662 vs updated code is 911270
./env/lib/python3.10/site-packages/whitenoise/base.py:109: UserWarning: No directory at: /app/staticfiles/
  warnings.warn(f"No directory at: {root}")
....
----------------------------------------------------------------------
Ran 7 tests in 0.697s

OK
Destroying test database for alias 'default'...

Additional

General:

• PEP (Python Enhancement Proposals) docs.
• [Decision required] The entire implementation of user verification needs to be revised and implemented based on the following code section:

is_verified = models.BooleanField(
    default=False
)  # to be set up later in views to change if user verified

• [Maintainers] I noticed various areas for improvement when trying to set up locally, especially with Compose. I can make another PR to merge these patches to improve the developer experience.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[github-actions]

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