build(deps): bump mypy from 0.971 to 0.981 (#95)

Bumps [mypy](https://github.com/python/mypy) from 0.971 to 0.981.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.971...v0.981)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

requirements_lint.txt

@@ -1,7 +1,7 @@
 -r requirements.txt
 black==22.8.0
 flake8==5.0.4
-mypy==0.971
+mypy==0.981
 pydocstyle==6.1.1
 isort==5.10.1
 pylint==2.15.3