Bump pytest-mypy-plugins from 3.3.0 to 4.0.0 (#2377)

Bumps [pytest-mypy-plugins](https://github.com/TypedDjango/pytest-mypy-plugins) from 3.3.0 to 4.0.0.
- [Release notes](https://github.com/TypedDjango/pytest-mypy-plugins/releases)
- [Changelog](https://github.com/typeddjango/pytest-mypy-plugins/blob/master/CHANGELOG.md)
- [Commits](typeddjango/pytest-mypy-plugins@3.3.0...4.0.0)

---
updated-dependencies:
- dependency-name: pytest-mypy-plugins
  dependency-version: 4.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -70,7 +70,7 @@ slotscheck = "^0.19"
 ruff = "^0.15"
 pytest-cov = ">=6,<8"
 pytest-randomly = ">=3.12,<5.0"
-pytest-mypy-plugins = "^3.1"
+pytest-mypy-plugins = ">=3.1,<5.0"
 pytest-subtests = ">=0.14,<0.16"
 pytest-shard = "^0.1"
 covdefaults = "^2.3"