Bump xstream from 1.4.4 to 1.4.6 in /stompjms-activemq-test#31

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dependabot/maven/stompjms-activemq-test/com.thoughtworks.xstream-xstream-1.4.6fusesource/stompjms:dependabot/maven/stompjms-activemq-test/com.thoughtworks.xstream-xstream-1.4.6Copy head branch name to clipboard