Build(deps): Bump pytest from 5.2.1 to 5.2.2

Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.2.1 to 5.2.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@5.2.1...5.2.2)

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

Author: dependabot-preview[bot]

requirements/ci-wheel.txt

@@ -1,6 +1,6 @@
 -r flake.txt
 coverage==4.5.4
-pytest==5.2.1
+pytest==5.2.2
 pytest-asyncio==0.10.0
 pytest-cov==2.8.1
 tox==3.14.0

requirements/wheel.txt

@@ -1,3 +1,3 @@
-pytest==5.2.1
+pytest==5.2.2
 pytest-asyncio==0.10.0
 twine==1.15.0