chore(deps): update ruby on rails packages to v8

Author: renovate[bot]

template/{{app_name}}/Gemfile

@@ -5,7 +5,7 @@ source "https://rubygems.org"
 ruby "3.4.7"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem "rails", "~> 7.2.0", ">= 7.2.2.1"
+gem "rails", "~> 8.1.0", ">= 8.1.1"
 
 # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
 gem "sprockets-rails"