Bump com.thoughtworks.xstream:xstream from 1.4.20 to 1.4.21 in /core#267

draeger merged 1 commit intomastersbmlteam/jsbml:masterfrom

dependabot/maven/core/com.thoughtworks.xstream-xstream-1.4.21sbmlteam/jsbml:dependabot/maven/core/com.thoughtworks.xstream-xstream-1.4.21Copy head branch name to clipboard