Update rake dev dependency

Author: ridiculous

grape-middleware-logger.gemspec

@@ -26,6 +26,6 @@ Grape::Middleware::Logger 1.7+ should be mounted with +insert_after+ to properly
 
   spec.add_dependency 'grape', '>= 0.17'
   spec.add_development_dependency 'mime-types', '~> 2'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '>= 12.3.3'
   spec.add_development_dependency 'rspec', '>= 3.2', '< 4'
 end