chore(extension): set live urls for cardano services

Author: mchappell

apps/browser-extension-wallet/.env.defaults

@@ -63,7 +63,7 @@ POSTHOG_DEV_TOKEN_SANCHONET=phc_OUu6sPucDu5S6skRmYbWN5Jn8TpggWTQu1Y1ETkm3xt
 
 # Cardano Services
 CARDANO_SERVICES_URL_MAINNET=https://live-mainnet.lw.iog.io
-CARDANO_SERVICES_URL_PREPROD=https://staging-preprod.lw.iog.io
+CARDANO_SERVICES_URL_PREPROD=https://live-preprod.lw.iog.io
 CARDANO_SERVICES_URL_PREVIEW=https://live-preview.lw.iog.io
 CARDANO_SERVICES_URL_SANCHONET=https://backend.dev-sanchonet.eks.lw.iog.io