build(deps-dev): bump pytest from 6.2.3 to 6.2.4

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.3 to 6.2.4.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.3...6.2.4)

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

Author: dependabot-preview[bot]

poetry.lock

@@ -35,7 +35,7 @@ sphinx-jsonschema = { version = "^1.15", optional = true }
 [tool.poetry.dev-dependencies]
 pre-commit = { version = "^2.11.1", python = "^3.6.1" }
 black = "^20.8b1"
-pytest = "^6.2.3"
+pytest = "^6.2.4"
 coverage = "^5.5"
 mypy = "^0.812"
 flake8 = "^3.9.0"