chore(deps) Update dependency mypy to v1.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (source, changelog)	1.4.0 -> 1.4.1

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Release Notes

python/mypy (mypy)

### [`v1.4.1`](https://togithub.com/python/mypy/compare/v1.4.0...v1.4.1) [Compare Source](https://togithub.com/python/mypy/compare/v1.4.0...v1.4.1)

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Configuration

📅 Schedule: Branch creation - "before 10pm on Sunday" in timezone America/Chicago, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, 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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This PR has been generated by Mend Renovate. View repository job log here.

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (ffd379a) 73.68% compared to head (16b46e2) 73.68%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #115 +/- ## ======================================= Coverage 73.68% 73.68% ======================================= Files 1 1 Lines 114 114 Branches 22 22 ======================================= Hits 84 84 Misses 17 17 Partials 13 13 ```

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