Bump the python-packages group with 2 updates

Bumps the python-packages group with 2 updates: [matplotlib](https://github.com/matplotlib/matplotlib) and [pytest](https://github.com/pytest-dev/pytest).


Updates `matplotlib` from 3.10.9 to 3.11.0
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.10.9...v3.11.0)

Updates `pytest` from 9.0.3 to 9.1.0
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@9.0.3...9.1.0)

---
updated-dependencies:
- dependency-name: matplotlib
  dependency-version: 3.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: pytest
  dependency-version: 9.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: python-packages
...

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

Author: dependabot[bot]

pyproject.toml

@@ -24,7 +24,7 @@ dependencies = [
 # Developer tooling (installed automatically by default with `uv sync`)
 dev = [
   "ruff>=0.15.17",
-  "pytest>=9.0.3",
+  "pytest>=9.1.0",
   "pytest-cov>=7.1.0",
   "coverage>=7.14.1",
   "pip-audit>=2.10.1",