Bump stringio from 3.1.5 to 3.1.6 in /builder#2642

ledermann-bot merged 1 commit intomainledermann/docker-rails-base:mainfrom

dependabot/bundler/builder/stringio-3.1.6ledermann/docker-rails-base:dependabot/bundler/builder/stringio-3.1.6Copy head branch name to clipboard