Bump pytest from 8.4.2 to 9.0.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.4.2 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@8.4.2...9.0.3)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -39,7 +39,7 @@ Documentation = "https://github.com/berkeleybop/metpo/blob/main/README.md"
 
 [project.optional-dependencies]
 test = [
-    "pytest>=8.0.0",
+    "pytest>=9.0.3",
 ]
 dev = [
     "oaklib>=0.6.23",
@@ -50,7 +50,7 @@ dev = [
     "tqdm>=4.67.1",
     "openai>=2.6.1",
     # Testing
-    "pytest>=8.0.0",
+    "pytest>=9.0.3",
     # Code quality tools
     "black>=24.0.0",
     "ruff>=0.8.4",