update orion URL (#1059)

.env

@@ -5,7 +5,7 @@ REACT_APP_ENV=development
 # default target env is development
 REACT_APP_DEVELOPMENT_QUERY_NODE_URL=https://sumer-dev-2.joystream.app/query/server/graphql
 REACT_APP_DEVELOPMENT_QUERY_NODE_SUBSCRIPTION_URL=wss://sumer-dev-2.joystream.app/query/server/graphql
-REACT_APP_DEVELOPMENT_ORION_URL=https://orion-staging.joystream.app/graphql
+REACT_APP_DEVELOPMENT_ORION_URL=https://sumer-dev-2.joystream.app/orion/graphql
 REACT_APP_DEVELOPMENT_NODE_URL=wss://sumer-dev-2.joystream.app/rpc
 REACT_APP_DEVELOPMENT_FAUCET_URL=https://sumer-dev-2.joystream.app/members/register