Bump matplotlib from 3.9.0 to 3.9.3

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.9.0 to 3.9.3.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.9.0...v3.9.3)

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

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

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ xarray[complete]==2024.10.0
 pandas==2.2.3
 scipy==1.14.1
 geopandas==1.0.1
-matplotlib==3.9.0
+matplotlib==3.9.3
 Sphinx==8.1.3
 sphinx-rtd-theme==3.0.2
 pytest==8.3.3