Bump junit from 4.5 to 4.13.1 in /guava-gwt#4

dependabot[bot] wants to merge 1 commit intocm-10.2CyanogenMod/android_external_guava:cm-10.2from

dependabot/maven/guava-gwt/junit-junit-4.13.1CyanogenMod/android_external_guava:dependabot/maven/guava-gwt/junit-junit-4.13.1Copy head branch name to clipboard