Bump matplotlib from 3.4.3 to 3.5.0

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.4.3 to 3.5.0.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.4.3...v3.5.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 # base
 numpy>=1.18.0
-scipy==1.7.1
-matplotlib==3.4.3
+scipy==1.7.2
+matplotlib==3.5.0
 scikit-learn>=0.22.2,<1.1.0
 six==1.16.0
 Pillow==8.4.0