Bump pytest from 6.2.5 to 7.2.2 (#433)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.5 to 7.2.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.5...7.2.2)

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

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

Author: dependabot[bot]

requirements/ci.txt

@@ -1,6 +1,6 @@
 -r prod.txt
 cryptography==36.0.1; platform_machine!="i686" # no 32-bit wheels; no python 3.9 wheels yet
-pytest==6.2.5
+pytest==7.2.2
 pytest-aiohttp==0.3.0
 pytest-cov==3.0.0
 trustme==0.9.0; platform_machine!="i686"    # no 32-bit wheels