Merge pull request #1437 from Trusted-AI/dependabot/pip/matplotlib-3.5.1

Bump matplotlib from 3.5.0 to 3.5.1

Author: beat-buesser

requirements.txt

@@ -1,7 +1,7 @@
 # base
 numpy>=1.18.0
 scipy==1.7.3
-matplotlib==3.5.0
+matplotlib==3.5.1
 scikit-learn>=0.22.2,<1.1.0
 six==1.16.0
 Pillow==8.4.0