chore(deps): Bump pytest from 8.3.5 to 9.0.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.5 to 9.0.3.
- [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...9.0.3)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements-lock.txt

@@ -6,7 +6,7 @@
 numpy==2.4.5
 matplotlib==3.9.2
 scipy==1.14.1
-pytest==8.3.5
+pytest==9.0.3
 reportlab==4.5.1
 
 # Neural LLM experiment dependencies (required for real_lm_experiment.py):