Update to linkify 2.1.3
Update to linkify 2.1.3

To pull in https://github.com/SoapBox/linkifyjs/pull/166

vector-im/vector-web,vector-im/riot-web,vector-im/vector-web,vector-im/riot-web,vector-im/vector-web,martindale/vector,martindale/vector,vector-im/vector-web,vector-im/riot-web,vector-im/riot-web,vector-im/riot-web,vector-im/vector-web,vector-im/riot-web