Bump puma from 3.12.1 to 3.12.6#11

dependabot[bot] wants to merge 1 commit intomasterRichard-Burd/rails-portfolio-project:masterfrom

dependabot/bundler/puma-3.12.6Richard-Burd/rails-portfolio-project:dependabot/bundler/puma-3.12.6Copy head branch name to clipboard