Revert "Use cla_common==0.3.0"
Revert "Use cla_common==0.3.0"

This reverts commit 82f85e3af36dd45e44f91d07b15387e253f2c991.

ministryofjustice/cla_backend,ministryofjustice/cla_backend,ministryofjustice/cla_backend,ministryofjustice/cla_backend