Bump matplotlib from 3.7.2 to 3.8.3

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.7.2 to 3.8.3.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.7.2...v3.8.3)

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

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

requirements.txt

@@ -1,3 +1,3 @@
-matplotlib==3.7.2
+matplotlib==3.8.3
 Pillow==10.2.0
 sqlalchemy==2.0.29