chore(deps): upgrade moonrope to 2.0.2 (also json)

Gemfile.lock

@@ -114,7 +114,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.6)
+    json (2.5.1)
     jwt (2.1.0)
     kaminari (1.2.1)
       activesupport (>= 4.1.0)
@@ -138,9 +138,9 @@ GEM
     minitest (5.14.4)
     mongo (2.6.2)
       bson (>= 4.3.0, < 5.0.0)
-    moonrope (2.0.1)
+    moonrope (2.0.2)
       deep_merge (~> 1.0)
-      json (~> 1.7)
+      json
       rack (>= 1.4)
     multipart-post (2.0.0)
     mysql2 (0.5.3)