socket: Replace @iov/stream with @cosmjs/stream

packages/socket/src/queueingstreamingsocket.ts

@@ -1,4 +1,4 @@
-import { DefaultValueProducer, ValueAndUpdates } from "@iov/stream";
+import { DefaultValueProducer, ValueAndUpdates } from "@cosmjs/stream";
 import { Listener, Producer, Stream } from "xstream";
 
 import { SocketWrapperMessageEvent } from "./socketwrapper";

packages/socket/src/reconnectingsocket.ts

@@ -1,4 +1,4 @@
-import { ValueAndUpdates } from "@iov/stream";
+import { ValueAndUpdates } from "@cosmjs/stream";
 import { Listener, Producer, Stream } from "xstream";
 
 import { ConnectionStatus, QueueingStreamingSocket } from "./queueingstreamingsocket";

packages/socket/src/streamingsocket.spec.ts

@@ -1,4 +1,4 @@
-import { toListPromise } from "@iov/stream";
+import { toListPromise } from "@cosmjs/stream";
 
 import { StreamingSocket } from "./streamingsocket";