Pin to rails 8

Author: mullermp

gems/smithy/smithy.gemspec

@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.files        = Dir['CHANGELOG.md', 'VERSION', 'lib/**/*', 'model/**/*']
   spec.executables  = ['smithy-ruby']
 
-  spec.add_dependency('railties', '~> 8.0')
+  spec.add_dependency('railties', '~> 8.0.0')
   spec.add_dependency('smithy-client', '1.0.0.pre1')
 
   spec.required_ruby_version = '>= 3.3'