Update matplotlib requirement from <=3.5.1,>3.1 to >3.1,<3.5.3 in /requirements (#13053)
* Update matplotlib requirement in /requirements
Updates the requirements on [matplotlib](https://github.com/matplotlib/matplotlib) to permit the latest version.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](https://github.com/matplotlib/matplotlib/compare/v3.1.1...v3.5.2)
---
updated-dependencies:
- dependency-name: matplotlib
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>