Pillow Dependabot Fix

Author: Alex

backend/requirements.txt

@@ -36,7 +36,7 @@ mccabe==0.6.1
 numpy==1.20.1
 oauthlib==3.1.0
 opt-einsum==3.3.0
-Pillow==8.1.2
+Pillow>=8.2.0
 protobuf==3.15.6
 pyasn1==0.4.8
 pyasn1-modules==0.2.8