Merge branch 'dependabot/pip/matplotlib-3.4.3' into 'develop'

Bump matplotlib from 3.4.2 to 3.4.3

See merge request !298

requirements.txt

 Click==8.0.1
 dtw==1.4.0
 hypothesis==6.13.10
-matplotlib==3.4.2
+matplotlib==3.4.3
 mlxtend==0.18.0
 numba==0.53.1
 numpy==1.21.2