build(deps): bump matplotlib from 3.10.7 to 3.10.8 in /requirements (#1328)

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.10.7 to 3.10.8.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.10.7...v3.10.8)

---
updated-dependencies:
- dependency-name: matplotlib
  dependency-version: 3.10.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/requirements.txt

@@ -1,6 +1,6 @@
 numpy == 2.3.5
 scipy == 1.16.3
-matplotlib == 3.10.7
+matplotlib == 3.10.8
 cvxpy == 1.7.5
 ecos == 2.0.14
 pytest == 9.0.2 # For unit test