Bump websocket-extensions from 0.1.3 to 0.1.4 in /users/static/ngApp/angular2#11

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dependabot/npm_and_yarn/users/static/ngApp/angular2/websocket-extensions-0.1.4deepak1725/djangular:dependabot/npm_and_yarn/users/static/ngApp/angular2/websocket-extensions-0.1.4Copy head branch name to clipboard