Bump activerecord from 4.2.3 to 4.2.11.1#21

dependabot[bot] wants to merge 1 commit intomasterCenturyLinkLabs/flatcar:masterfrom

dependabot/bundler/activerecord-4.2.11.1CenturyLinkLabs/flatcar:dependabot/bundler/activerecord-4.2.11.1Copy head branch name to clipboard