build(deps-dev): bump pytest from 9.1.1 to 9.2.0 in /pydantic-ai (#310)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 9.1.1 to 9.2.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@9.1.1...9.2.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.2.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pydantic-ai/pyproject.toml

@@ -12,7 +12,7 @@ dependencies = [
 
 [project.optional-dependencies]
 test = [
-    "pytest==9.1.1",
+    "pytest==9.2.0",
 ]
 dev = [
     "bolt-python-support-agent-pydantic[test]",