chore(deps): update dependency mypy to v1.12.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (source, changelog)	1.11.2 -> 1.12.0

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Release Notes

python/mypy (mypy)

### [`v1.12.0`](https://redirect.github.com/python/mypy/compare/v1.11.2...v1.12.0) [Compare Source](https://redirect.github.com/python/mypy/compare/v1.11.2...v1.12.0)

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Configuration

📅 Schedule: Branch creation - "after 6pm every weekday,every weekend" in timezone Australia/Sydney, Automerge - "after 6pm every weekday,every weekend" in timezone Australia/Sydney.

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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