fix: Gemfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-RACK-13378928
- https://snyk.io/vuln/SNYK-RUBY-RACK-13378930
- https://snyk.io/vuln/SNYK-RUBY-RACK-13378932
- https://snyk.io/vuln/SNYK-RUBY-RACK-13524628

Author: snyk-bot

Gemfile

@@ -3,7 +3,7 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}.git" }
 
 ruby '~> 3.4'
 
-gem 'rails', '~> 7.2.0'
+gem 'rails', '~> 8.0.0'
 
 gem 'activerecord-import', '>= 1.0.2'
 # pod identity requires 3.188.0
@@ -29,9 +29,9 @@ group :development, :test do
   gem 'brakeman', require: false
   gem 'listen'
   gem 'pry-byebug'
-  gem 'rspec-rails', '~> 6.0'
+  gem 'rspec-rails', '~> 7.0', '>= 7.0.0'
   gem 'rubocop', require: false
-  gem 'rubocop-rails', '>= 2.19.0', require: false
+  gem 'rubocop-rails', '>= 2.27.0', require: false
   gem 'rubocop-performance', '~> 1.17', require: false
 end
 
@@ -41,7 +41,7 @@ end
 
 group :test do
   gem 'bundler-audit', require: false
-  gem 'factory_bot_rails', '>= 5.2.0'
+  gem 'factory_bot_rails', '>= 6.5.1'
   gem 'rails-controller-testing', '>= 1.0.4'
   gem 'rspec_junit_formatter'
   gem 'shoulda-matchers', '~> 3.1', '>= 3.1.3', require: false