Bump pytest from 8.3.4 to 9.0.3 in /dev-requirements

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.4 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@8.3.4...9.0.3)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.3
  dependency-type: direct:development
...

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

Author: dependabot[bot]

dev-requirements/dev.txt

@@ -30,7 +30,7 @@ pycodestyle==2.12.1
 pyflakes==3.2.0
 Pygments==2.20.0
 pyparsing==3.2.1
-pytest==8.3.4
+pytest==9.0.3
 pytest-cov==6.0.0
 rdflib==7.1.3
 requests==2.33.0