Bump xstream from 1.4.4 to 1.4.18 in /xstream-java-xml#115

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dependabot/maven/xstream-java-xml/com.thoughtworks.xstream-xstream-1.4.18hmkcode/Java:dependabot/maven/xstream-java-xml/com.thoughtworks.xstream-xstream-1.4.18Copy head branch name to clipboard