build(deps): bump matplotlib from 3.10.8 to 3.11.0 in /requirements (#1383)

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.10.8 to 3.11.0.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.10.8...v3.11.0)

---
updated-dependencies:
- dependency-name: matplotlib
  dependency-version: 3.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
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 == 1.17.1
-matplotlib == 3.10.8
+matplotlib == 3.11.0
 cvxpy == 1.8.1
 ecos == 2.0.14
 pytest == 9.1.0 # For unit test