Restrict turbo-rails version

Restrict turbo-rails version to below 2 to prevent compatibility issue with the new version. These issues will be addressed in one of the future versions.

alchemy_cms.gemspec

@@ -51,7 +51,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency "sassc-rails", ["~> 2.1"]
   gem.add_runtime_dependency "simple_form", [">= 4.0", "< 6"]
   gem.add_runtime_dependency "sprockets", [">= 3.0", "< 5"]
-  gem.add_runtime_dependency "turbo-rails", [">= 1.4"]
+  gem.add_runtime_dependency "turbo-rails", [">= 1.4", "< 2"]
   gem.add_runtime_dependency "view_component", ["~> 3.0"]
 
   gem.add_development_dependency "capybara", ["~> 3.0"]