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@v0.91.2...v3.9.0)

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

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

requirements.txt

@@ -7,7 +7,7 @@ fonttools==4.51.0
 h5py==3.10.0
 kiwisolver==1.4.5
 numpy <1.27
-matplotlib <3.9
+matplotlib <3.10
 packaging==24.0
 Pillow==10.3.0
 pyerfa==2.0.1.4