Bump pytest from 8.3.5 to 8.4.0 (#515)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.5 to 8.4.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.5...8.4.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.0
  dependency-type: direct:production
  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/ci.txt

@@ -1,6 +1,6 @@
 -r prod.txt
 cryptography==45.0.4; platform_machine!="i686" # no 32-bit wheels; no python 3.9 wheels yet
-pytest==8.3.5
+pytest==8.4.0
 pytest-aiohttp==1.1.0
 pytest-asyncio==0.26.0
 pytest-cov==6.2.0