Update gems.

Gemfile.lock

@@ -58,15 +58,15 @@ GEM
     emoji_regex (0.1.1)
     escape (0.0.4)
     excon (0.62.0)
-    faraday (0.15.2)
+    faraday (0.15.3)
       multipart-post (>= 1.2, < 3)
     faraday-cookie_jar (0.0.6)
       faraday (>= 0.7.4)
       http-cookie (~> 1.0.0)
     faraday_middleware (0.12.2)
       faraday (>= 0.7.4, < 1.0)
     fastimage (2.1.4)
-    fastlane (2.104.0)
+    fastlane (2.105.2)
       CFPropertyList (>= 2.3, < 4.0.0)
       addressable (>= 2.3, < 3.0.0)
       babosa (>= 1.0.2, < 2.0.0)
@@ -143,7 +143,7 @@ GEM
     nap (1.1.0)
     naturally (2.2.0)
     netrc (0.11.0)
-    octokit (4.11.0)
+    octokit (4.12.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     os (1.0.0)
     plist (3.4.0)
@@ -160,7 +160,7 @@ GEM
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
     security (0.1.3)
-    signet (0.9.1)
+    signet (0.9.2)
       addressable (~> 2.3)
       faraday (~> 0.9)
       jwt (>= 1.5, < 3.0)
@@ -207,4 +207,4 @@ DEPENDENCIES
   octokit
 
 BUNDLED WITH
-   1.16.4
+   1.16.5