build(deps-dev): update pytest requirement from ^6.2.4 to ^7.0.0 (#164)

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.4...7.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
...

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

pyproject.toml

@@ -28,7 +28,7 @@ flake8-isort = "^4.0.0"
 flake8-pyi = "^22.1.0"
 isort = "^5.9.2"
 mypy = "^0.931"
-pytest = "^6.2.4"
+pytest = "^7.0.0"
 pytest-cov = "^3.0.0"
 pytest-mock = "^3.6.1"
 tox = "^3.23.1"