Bump matplotlib from 3.3 to 3.9.2 (#282)

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.3 to 3.9.2.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.3.0...v3.9.2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements_pinned.txt

@@ -2,7 +2,7 @@
 
 cycler==0.12.1
 numpy==1.26.4
-matplotlib==3.9.0
+matplotlib==3.9.2
 pyglotaran==0.7.3
 tabulate==0.9.0
 xarray==2024.7.0