Bump com.thoughtworks.xstream:xstream from 1.4.15 to 1.4.21#2495

dependabot[bot] wants to merge 2 commits intomainspring-projects/spring-data-build:mainfrom

dependabot/maven/com.thoughtworks.xstream-xstream-1.4.21spring-projects/spring-data-build:dependabot/maven/com.thoughtworks.xstream-xstream-1.4.21Copy head branch name to clipboard