Upgrade the backend to Ruby 3.4 and Rails 8.1 - #870

Upgrade the backend to Ruby 3.4 and Rails 8.1#870

suttondemlong wants to merge 17 commits into

rubyforgood:masterrubyforgood/Flaredown:masterfrom

suttondemlong:upgrade/rails-8-readinesssuttondemlong/Flaredown:upgrade/rails-8-readinessCopy head branch name to clipboard