Update dependency mypy to v0.991 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (source, changelog)	0.950 -> 0.991

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Release Notes

python/mypy (mypy)

### [`v0.991`](https://togithub.com/python/mypy/compare/v0.990...v0.991) [Compare Source](https://togithub.com/python/mypy/compare/v0.990...v0.991) ### [`v0.990`](https://togithub.com/python/mypy/compare/v0.982...v0.990) [Compare Source](https://togithub.com/python/mypy/compare/v0.982...v0.990) ### [`v0.982`](https://togithub.com/python/mypy/compare/v0.981...v0.982) [Compare Source](https://togithub.com/python/mypy/compare/v0.981...v0.982) ### [`v0.981`](https://togithub.com/python/mypy/compare/v0.971...v0.981) [Compare Source](https://togithub.com/python/mypy/compare/v0.971...v0.981) ### [`v0.971`](https://togithub.com/python/mypy/compare/v0.961...v0.971) [Compare Source](https://togithub.com/python/mypy/compare/v0.961...v0.971) ### [`v0.961`](https://togithub.com/python/mypy/compare/v0.960...v0.961) [Compare Source](https://togithub.com/python/mypy/compare/v0.960...v0.961) ### [`v0.960`](https://togithub.com/python/mypy/compare/v0.950...v0.960) [Compare Source](https://togithub.com/python/mypy/compare/v0.950...v0.960)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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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