Upgrade chewy to version 5.0.0 (#6649)

Gemfile

@@ -27,7 +27,7 @@ gem 'bootsnap'
 gem 'browser'
 gem 'charlock_holmes', '~> 0.7.5'
 gem 'iso-639'
-gem 'chewy', '~> 0.10', git: 'https://github.com/toptal/chewy.git'
+gem 'chewy', '~> 5.0'
 gem 'cld3', '~> 3.2.0'
 gem 'devise', '~> 4.4'
 gem 'devise-two-factor', '~> 3.0'

Gemfile.lock

-GIT
-  remote: https://github.com/toptal/chewy.git
-  revision: a7d21eb4b0bd7415533ef134bb6d31b2df309701
-  specs:
-    chewy (0.10.1)
-      activesupport (>= 4.0)
-      elasticsearch (>= 2.0.0)
-      elasticsearch-dsl
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -118,6 +109,10 @@ GEM
     case_transform (0.2)
       activesupport
     charlock_holmes (0.7.5)
+    chewy (5.0.0)
+      activesupport (>= 4.0)
+      elasticsearch (>= 2.0.0)
+      elasticsearch-dsl
     chunky_png (1.3.8)
     cld3 (3.2.2)
       ffi (>= 1.1.0, < 1.10.0)
@@ -631,7 +626,7 @@ DEPENDENCIES
   capistrano-yarn (~> 2.0)
   capybara (~> 2.15)
   charlock_holmes (~> 0.7.5)
-  chewy (~> 0.10)!
+  chewy (~> 5.0)
   cld3 (~> 3.2.0)
   climate_control (~> 0.2)
   devise (~> 4.4)