fix: Gemfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-ACTIONMAILER-8220269
- https://snyk.io/vuln/SNYK-RUBY-ACTIONPACK-8220162
- https://snyk.io/vuln/SNYK-RUBY-ACTIONPACK-8220268
- https://snyk.io/vuln/SNYK-RUBY-ACTIONTEXT-8220270

Gemfile

@@ -3,7 +3,7 @@ source "https://rubygems.org"
 ruby '3.3.0'
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem "rails", "~> 7.1.4"
+gem "rails", "~> 7.1.4", ">= 7.1.4.1"
 
 # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
 gem "sprockets-rails"