Bump pytest from 8.3.3 to 9.0.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.3 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@8.3.3...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]

pyproject.toml

@@ -43,7 +43,7 @@ dev = [
   "jupyter>=1.1.1",
 ]
 test = [ # pinning testing environment
-  "pytest==8.3.3",         # 8.3.4 seems to be causing errors
+  "pytest==9.0.3",         # 8.3.4 seems to be causing errors
   "pytest-cov==6.0.0",
   "pytest-timeout>=2.3.1",
   "hypothesis==6.122.3",