Bump pytest from 8.3.5 to 8.4.0

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:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements_dev.txt

@@ -4,7 +4,7 @@
 #---------------------------------------------------------
 flake8==7.2.0
 pillow==11.2.1
-pytest==8.3.5
+pytest==8.4.0
 pytest-cache==1.0
 pytest-cov==6.1.1
 pytest-mock==3.14.0