feat: add `python3.12` support

[duncanista]

What does this PR do?

Adds support for Python 3.12

Motivation

We have released already the layers for this.

Testing Guidelines

Updated a unit test.

Additional Notes

n/a

Types of changes

• [ ] Bug fix
• [x] New feature
• [ ] Breaking change
• [ ] Misc (docs, refactoring, dependency upgrade, etc.)

Check all that apply

• [ ] This PR's description is comprehensive
• [ ] This PR contains breaking changes that are documented in the description
• [ ] This PR introduces new APIs or parameters that are documented and unlikely to change in the foreseeable future
• [ ] This PR impacts documentation, and it has been updated (or a ticket has been logged)
• [ ] This PR's changes are covered by the automated tests
• [ ] This PR collects user input/sensitive content into Datadog

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (a45b80c) 86.43% compared to head (94d5f2a) 86.43%.

:exclamation: Current head 94d5f2a differs from pull request most recent head 45011ef. Consider uploading reports for the commit 45011ef to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #115 +/- ## ======================================= Coverage 86.43% 86.43% ======================================= Files 8 8 Lines 612 612 Branches 153 153 ======================================= Hits 529 529 Misses 72 72 Partials 11 11 ```

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