update fastlane

Gemfile.lock

@@ -39,7 +39,7 @@ GEM
     faraday_middleware (0.11.0.1)
       faraday (>= 0.7.4, < 1.0)
     fastimage (2.1.0)
-    fastlane (2.30.2)
+    fastlane (2.31.0)
       CFPropertyList (>= 2.3, < 3.0.0)
       addressable (>= 2.3, < 3.0.0)
       babosa (>= 1.0.2, < 2.0.0)
@@ -105,7 +105,7 @@ GEM
       multipart-post
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    httparty (0.15.3)
+    httparty (0.15.4)
       multi_xml (>= 0.5.2)
     httpclient (2.8.3)
     hurley (0.2)
@@ -159,7 +159,7 @@ GEM
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.0)
+    simplecov-html (0.10.1)
     slack-notifier (1.5.1)
     terminal-notifier (1.8.0)
     terminal-table (1.8.0)