use pip version 20.2.4 for circleci (#716)
use pip version 20.2.4 for circleci (#716)

Co-authored-by: Aditya Bharadwaj <5d1852d43efe8f6e393448a3b4d1cd98a4cfd56f@b12.io>
b12io/orchestra,unlimitedlabs/orchestra,b12io/orchestra,b12io/orchestra,b12io/orchestra,unlimitedlabs/orchestra,b12io/orchestra,unlimitedlabs/orchestra