Bump rexml from 3.3.9 to 3.4.2#46

dependabot[bot] wants to merge 1 commit intogh-pagesgriffithlab/genviz.org:gh-pagesfrom

dependabot/bundler/rexml-3.4.2griffithlab/genviz.org:dependabot/bundler/rexml-3.4.2Copy head branch name to clipboard