Bump xstream from 1.4.15 to 1.4.20#12

dependabot[bot] wants to merge 1 commit intomainMathieuSoysal/Java-Maven-library-template:mainfrom

dependabot/maven/com.thoughtworks.xstream-xstream-1.4.20MathieuSoysal/Java-Maven-library-template:dependabot/maven/com.thoughtworks.xstream-xstream-1.4.20Copy head branch name to clipboard