Bump mypy from 0.971 to 0.982 (#133)

Bumps [mypy](https://github.com/python/mypy) from 0.971 to 0.982.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.971...v0.982)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

poetry.lock

@@ -46,7 +46,7 @@ python = "^3.7"
 typing-extensions = ">=4.0,<5.0"
 
 [tool.poetry.dev-dependencies]
-mypy = "^0.971"
+mypy = "^0.982"
 wemake-python-styleguide = "^0.17.0"
 flake8-pytest = "^1.4"
 flake8-pytest-style = "^1.6.0"