Update rails_version

Author: bradgessler

Gemfile.lock

@@ -2,9 +2,7 @@ PATH
   remote: .
   specs:
     supermail (0.1.0)
-      actionmailer (~> 7.0)
-      activesupport (~> 7.0)
-      railties (~> 7.0)
+      actionmailer (>= 7.0)
 
 GEM
   remote: https://rubygems.org/
@@ -211,7 +209,7 @@ PLATFORMS
 
 DEPENDENCIES
   irb
-  rails (~> 7.0)
+  rails (>= 7.0)
   rake (~> 13.0)
   rspec (~> 3.0)
   supermail!

supermail.gemspec

@@ -10,7 +10,7 @@ Gem::Specification.new do |spec|
 
   spec.summary = "Build emails with plain ol' Ruby objects."
   spec.description = spec.summary
-  spec.homepage = "https://github.com/rubymonolith/supermail"
+  spec.homepage = "https://github.com/beautifulruby/supermail"
   spec.required_ruby_version = ">= 3.1.0"
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"
@@ -33,9 +33,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   # Uncomment to register a new dependency of your gem
-  spec.add_dependency "actionmailer", "~> 7.0"
-  spec.add_dependency "railties", "~> 7.0"
-  spec.add_dependency "activesupport", "~> 7.0"
-  
-  spec.add_development_dependency "rails", "~> 7.0"
+  rails_version = ">= 7.0"
+  spec.add_dependency "actionmailer", rails_version
+  spec.add_development_dependency "rails", rails_version
 end