[x] Require a credentials_environment_variable field in children backend schema instead of credentials_filename. This variable can be a path to a credentials file or the credentials file as a string
Quality Checklist
[x] New features are fully tested (No matter how much Coverage Karma you have)
Breaking change
credentials_environment_variable
field in children backend schema instead ofcredentials_filename
. This variable can be a path to a credentials file or the credentials file as a stringQuality Checklist