Bump matplotlib from 3.5.2 to 3.7.0

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.5.2 to 3.7.0.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.5.2...v3.7.0)

---
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

@@ -1,4 +1,4 @@
-matplotlib==3.5.2
+matplotlib==3.7.0
 pandas==1.3.5
 xmlschema==1.11.3
 Sphinx==5.1.1