⬆️ Bump matplotlib from 3.8.2 to 3.8.3

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.8.2 to 3.8.3.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.8.2...v3.8.3)

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

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

doc/requirements.txt

@@ -6,6 +6,6 @@ furo==2024.1.29
 ipython==8.21.0
 netCDF4==1.6.5
 xarray==2024.1.1
-matplotlib==3.8.2
+matplotlib==3.8.3
 cmocean==3.1.3
 pickleshare==0.7.5