[flipper-dalli] Relax dalli version constraint

Author: mlarraz

flipper-dalli.gemspec

@@ -21,5 +21,5 @@ Gem::Specification.new do |gem|
   gem.metadata      = Flipper::METADATA
 
   gem.add_dependency 'flipper', "~> #{Flipper::VERSION}"
-  gem.add_dependency 'dalli', '>= 2.0', '< 3'
+  gem.add_dependency 'dalli', '>= 2.0', '< 4'
 end

spec/flipper/adapters/active_support_cache_store_spec.rb

@@ -1,5 +1,4 @@
 require 'active_support/cache'
-require 'active_support/cache/dalli_store'
 require 'flipper/adapters/operation_logger'
 require 'flipper/adapters/active_support_cache_store'
 

spec/flipper/middleware/memoizer_spec.rb

@@ -1,6 +1,5 @@
 require 'rack/test'
 require 'active_support/cache'
-require 'active_support/cache/dalli_store'
 require 'flipper/adapters/active_support_cache_store'
 require 'flipper/adapters/operation_logger'