Bump pytest from 6.2.4 to 7.0.1

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.4 to 7.0.1.
- [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...7.0.1)

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

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

Author: dependabot[bot]

poetry.lock

@@ -23,7 +23,7 @@ zeroconf = ">=0.24.5,<0.39.0"
 apispec_webframeworks = "^0.5.2"
 
 [tool.poetry.dev-dependencies]
-pytest = "^6.2"
+pytest = "^7.0"
 black = {version = "^20.8b1",allow-prereleases = true}
 pytest-cov = "^2.11.1"
 jsonschema = "^3.2.0"