build(deps-dev): bump pytest from 8.3.4 to 8.3.5 in /backend (#2629)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.4 to 8.3.5.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.4...8.3.5)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.3.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

backend/requirements-dev.txt

@@ -1,5 +1,5 @@
 fakeredis==2.29.0
 pre-commit==4.2.0
-pytest==8.3.4
+pytest==8.3.5
 pytest-responses==0.5.1
 responses==0.25.7