build(deps-dev): bump pytest from 6.2.1 to 6.2.2

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.1 to 6.2.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.1...6.2.2)

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

setup.py

@@ -9,7 +9,7 @@
 dev_dep = [
     "syncer==1.3.0",
     "backports.zoneinfo==0.2.1",
-    "pytest==6.2.1",
+    "pytest==6.2.2",
     "pytest-tornasync==0.6.0.post2",
     "pytest-mock==3.5.1",
     "pytest-sanic==1.7.0",