Bump pytest-mypy-plugins from 1.6.1 to 1.7.0 (#90)

Bumps [pytest-mypy-plugins](https://github.com/TypedDjango/pytest-mypy-plugins) from 1.6.1 to 1.7.0.
- [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@1.6.1...1.7.0)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

poetry.lock

@@ -58,7 +58,7 @@ safety = "^1.10"
 pytest = "^6.2"
 pytest-cov = "^2.12"
 pytest-randomly = "^3.8"
-pytest-mypy-plugins = "^1.6"
+pytest-mypy-plugins = "^1.7"
 
 sphinx = "^4.0"
 sphinx-autodoc-typehints = "^1.12"