Bump activerecord from 6.1.5.1 to 6.1.6.1#16

dependabot[bot] wants to merge 1 commit intomasterlighthouse-labs/ar-exercises:masterfrom

dependabot/bundler/activerecord-6.1.6.1lighthouse-labs/ar-exercises:dependabot/bundler/activerecord-6.1.6.1Copy head branch name to clipboard