Merge pull request #1368 from Trusted-AI/dependabot/pip/pillow-8.4.0

Bump pillow from 8.3.2 to 8.4.0

Author: beat-buesser

requirements.txt

@@ -4,7 +4,7 @@ scipy==1.7.1
 matplotlib==3.4.3
 scikit-learn>=0.22.2,<1.1.0
 six==1.16.0
-Pillow==8.3.2
+Pillow==8.4.0
 tqdm==4.62.3
 statsmodels==0.13.0
 pydub==0.25.1