Bump pytest from 6.2.5 to 7.0.0 (#87)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.5 to 7.0.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.5...7.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

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

Author: dependabot[bot]

Diff for: poetry.lock

@@ -21,7 +21,7 @@ deprecation = "^2.1.0"
 pydantic = "^1.9.0"
 
 [tool.poetry.dev-dependencies]
-pytest = "^6.2.5"
+pytest = "^7.0.0"
 Sphinx = "^4.3.2"
 flake8 = "^4.0.1"
 black = "^22.1"