Bump matplotlib from 3.9.0 to 3.9.1

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.9.0 to 3.9.1.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.9.0...v3.9.1)

---
updated-dependencies:
- dependency-name: matplotlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pyproject.toml

@@ -51,7 +51,7 @@ matplotlib = { version = ">=3.2", optional = true }
 [tool.poetry.group.dev.dependencies]
 numpy = "==2.0.0"
 scipy = "==1.14.0"
-matplotlib = "==3.9.0"
+matplotlib = "==3.9.1"
 typing_extensions = "==4.12.2"
 ipywidgets = "==8.1.3"