python-v2: make create_facilitator_config work with both V1 and V2#968

CarsonRoscoe merged 2 commits intocoinbase:feat/python-v2-sdkcoinbase/x402:feat/python-v2-sdkfrom

phdargen:python-v2-auth-headersphdargen/x402:python-v2-auth-headersCopy head branch name to clipboard