Bump pytest from 6.1.2 to 6.2.5 (#392)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.1.2 to 6.2.5.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.1.2...6.2.5)

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

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -1,6 +1,6 @@
 aiohttp==3.8.0
 tox==3.20.1
-pytest==6.1.2
+pytest==6.2.5
 pytest-aiohttp==0.3.0
 pytest-cov==3.0.0
 pytest-runner==5.2