Update matplotlib requirement from ~=3.9 to ~=3.10

Updates the requirements on [matplotlib](https://github.com/matplotlib/matplotlib) to permit the latest version.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.9.0...v3.10.0)

---
updated-dependencies:
- dependency-name: matplotlib
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -5,7 +5,7 @@ jaxtyping==0.2.36
 chex==0.1.87
 optax==0.2.4
 tqdm~=4.67
-matplotlib~=3.9
+matplotlib~=3.10
 pdoc~=15.0
 ipywidgets~=8.1
 black~=24.10