Update superagent to version 3.5.0 🚀 (#8043)

* chore(package): update superagent to version 3.5.0

https://greenkeeper.io/

* chore: yarn.lock

package.json

@@ -79,7 +79,7 @@
     "sanitize-html": "1.14.1",
     "semver": "5.3.0",
     "showdown-ghost": "0.3.6",
-    "superagent": "3.4.1",
+    "superagent": "3.5.0",
     "unidecode": "0.1.8",
     "uuid": "3.0.0",
     "validator": "6.3.0",

yarn.lock

@@ -1934,7 +1934,7 @@ formatio@1.1.1:
   dependencies:
     samsam "~1.1"
 
-formidable@^1.0.17:
+formidable@^1.0.17, formidable@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.1.1.tgz#96b8886f7c3c3508b932d6bd70c4d3a88f35f1a9"
 
@@ -5707,7 +5707,22 @@ strip-json-comments@1.0.x, strip-json-comments@~1.0.2, strip-json-comments@~1.0.
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-1.0.4.tgz#1e15fbcac97d3ee99bf2d73b4c656b082bbafb91"
 
-superagent@3.4.1, superagent@^3.0.0:
+superagent@3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.5.0.tgz#56872b8e1ee6de994035ada2e53266899af95a6d"
+  dependencies:
+    component-emitter "^1.2.0"
+    cookiejar "^2.0.6"
+    debug "^2.2.0"
+    extend "^3.0.0"
+    form-data "^2.1.1"
+    formidable "^1.1.1"
+    methods "^1.1.1"
+    mime "^1.3.4"
+    qs "^6.1.0"
+    readable-stream "^2.0.5"
+
+superagent@^3.0.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.4.1.tgz#4bd12741224d0ece6d9f757f1c3becbe7f24c115"
   dependencies: