fix(util-user-agent-browser): use default import from bowser (#1991)

* fix(util-user-agent-browser): use default import from bowser

* fix: use default import for bowser

Reason: esModuleInterop is enabled in tsconfig.
Refs: bowser-js/bowser#284

Author: trivikr

packages/util-user-agent-browser/src/index.ts

@@ -1,5 +1,5 @@
 import { Provider, UserAgent } from "@aws-sdk/types";
-import { parse } from "bowser";
+import bowser from "bowser";
 
 import { DefaultUserAgentOptions } from "./configurations";
 
@@ -11,7 +11,7 @@ export const defaultUserAgent = ({
   serviceId,
   clientVersion,
 }: DefaultUserAgentOptions): Provider<UserAgent> => async () => {
-  const parsedUA = window?.navigator?.userAgent ? parse(window.navigator.userAgent) : undefined;
+  const parsedUA = window?.navigator?.userAgent ? bowser.parse(window.navigator.userAgent) : undefined;
   const sections: UserAgent = [
     // sdk-metadata
     ["aws-sdk-js", clientVersion],