Update dependencies and ruby version to 3.3

.circleci/config.yml

@@ -9,7 +9,7 @@ version: 2.1
 custom-definitions:
   ruby-only: &docker-ruby-only
     docker:
-      - image: cimg/ruby:3.2.4
+      - image: cimg/ruby:3.3.6
   shared-env-vars: &shared-env-vars
     TZ: "/usr/share/zoneinfo/America/New_York"
     RAILS_ENV: "test"

.ruby-version

@@ -1 +1 @@
-ruby-3.2.4
+ruby-3.3.6

Gemfile

@@ -21,11 +21,11 @@ gem 'ruby_audit', '>= 0'
 ##
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem 'rails', '~> 7.1.0'
+gem 'rails', '~> 8.0.0'
 
-# The original asset pipeline for Rails
-# [https://github.com/rails/sprockets-rails]
-gem 'sprockets-rails'
+# The modern asset pipeline for Rails
+# https://github.com/rails/propshaft
+gem 'propshaft'
 
 # Use the Puma web server
 # [https://github.com/puma/puma]
@@ -49,6 +49,10 @@ gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', require: false
 
+# Bundle and process CSS
+# https://github.com/rails/cssbundling-rails
+gem 'cssbundling-rails'
+
 # Use Sass to process CSS
 # gem "sassc-rails"