Update active_model_serializers to version 0.10.7

Gemfile.lock

@@ -35,8 +35,11 @@ GEM
       erubis (~> 2.7.0)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    active_model_serializers (0.9.4)
-      activemodel (>= 3.2)
+    active_model_serializers (0.10.7)
+      actionpack (>= 4.1, < 6)
+      activemodel (>= 4.1, < 6)
+      case_transform (>= 0.2)
+      jsonapi-renderer (>= 0.1.1.beta1, < 0.3)
     activejob (5.0.7)
       activesupport (= 5.0.7)
       globalid (>= 0.3.6)
@@ -113,6 +116,8 @@ GEM
       activesupport (>= 3.2.0)
       carrierwave
       fastimage
+    case_transform (0.2)
+      activesupport
     chart-js-rails (0.1.6)
       railties (> 3.1)
     chartkick (3.0.1)
@@ -256,6 +261,7 @@ GEM
     json (2.1.0)
     json-schema (2.8.0)
       addressable (>= 2.4)
+    jsonapi-renderer (0.2.0)
     jwt (1.5.6)
     launchy (2.4.2)
       addressable (~> 2.3)