copy mainnet rpc to testnet

Author: EasterTheBunny

framework/components/dockercompose/billing_platform_service/docker-compose.yml

@@ -18,16 +18,20 @@ services:
       WORKFLOW_OWNERSHIP_PROOF_SERVER_PORT: 2257
       WORKFLOW_OWNERSHIP_PROOF_SERVER_HOST: 0.0.0.0
       MAINNET_WORKFLOW_REGISTRY_CHAIN_SELECTOR: ${MAINNET_WORKFLOW_REGISTRY_CHAIN_SELECTOR:-}
+      TESTNET_WORKFLOW_REGISTRY_CHAIN_SELECTOR: ${MAINNET_WORKFLOW_REGISTRY_CHAIN_SELECTOR:-}
       MAINNET_WORKFLOW_REGISTRY_CONTRACT_ADDRESS: ${MAINNET_WORKFLOW_REGISTRY_CONTRACT_ADDRESS:-}
       MAINNET_WORKFLOW_REGISTRY_RPC_URL: ${MAINNET_WORKFLOW_REGISTRY_RPC_URL:-}
+      TESTNET_WORKFLOW_REGISTRY_RPC_URL: ${MAINNET_WORKFLOW_REGISTRY_RPC_URL:-}
       MAINNET_WORKFLOW_REGISTRY_FINALITY_DEPTH: ${MAINNET_WORKFLOW_REGISTRY_FINALITY_DEPTH:-}
       KMS_PROOF_SIGNING_KEY_ID: ${KMS_PROOF_SIGNING_KEY_ID:-}
       VERIFIER_INITIAL_INTERVAL: ${VERIFIER_INITIAL_INTERVAL:-}
       VERIFIER_MAXIMUM_INTERVAL: ${VERIFIER_MAXIMUM_INTERVAL:-}
       LINKING_REQUEST_COOLDOWN: ${LINKING_REQUEST_COOLDOWN:-}
       MAINNET_CAPABILITIES_REGISTRY_CHAIN_SELECTOR: ${MAINNET_CAPABILITIES_REGISTRY_CHAIN_SELECTOR:-}
+      TESTNET_CAPABILITIES_REGISTRY_CHAIN_SELECTOR: ${MAINNET_CAPABILITIES_REGISTRY_CHAIN_SELECTOR:-}
       MAINNET_CAPABILITIES_REGISTRY_CONTRACT_ADDRESS: ${MAINNET_CAPABILITIES_REGISTRY_CONTRACT_ADDRESS:-}
       MAINNET_CAPABILITIES_REGISTRY_RPC_URL: ${MAINNET_CAPABILITIES_REGISTRY_RPC_URL:-}
+      TESTNET_CAPABILITIES_REGISTRY_RPC_URL: ${MAINNET_CAPABILITIES_REGISTRY_RPC_URL:-}
       MAINNET_CAPABILITIES_REGISTRY_FINALITY_DEPTH: ${MAINNET_CAPABILITIES_REGISTRY_FINALITY_DEPTH:-}
       STREAMS_API_URL: ${STREAMS_API_URL:-}
       STREAMS_API_KEY: ${STREAMS_API_KEY:-}