⬆️ Bump mypy from 1.6.1 to 1.7.1

Bumps [mypy](https://github.com/python/mypy) from 1.6.1 to 1.7.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.6.1...v1.7.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -49,7 +49,7 @@ repository = "https://github.com/HLasse/textdescriptives"
 documentation = "https://hlasse.github.io/TextDescriptives/"
 
 [project.optional-dependencies]
-style = ["black==23.9.1", "pre-commit==3.5.0", "ruff==0.1.3", "mypy==1.6.1"]
+style = ["black==23.9.1", "pre-commit==3.5.0", "ruff==0.1.3", "mypy==1.7.1"]
 tests = ["pytest>=7.1.3", "pytest-cov>=3.0.0"]
 docs = [
     "sphinx>=5.3.0",