Bump xstream from 1.4.8 to 1.4.13-java7 in /test-utils#27

dependabot[bot] wants to merge 1 commit intomastertestusr/Experiments:masterfrom

dependabot/maven/test-utils/com.thoughtworks.xstream-xstream-1.4.13-java7testusr/Experiments:dependabot/maven/test-utils/com.thoughtworks.xstream-xstream-1.4.13-java7Copy head branch name to clipboard