Bump addressable from 2.4.0 to 2.8.6

Gemfile.lock

@@ -1,10 +1,13 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.4.0)
+    addressable (2.8.6)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
-    faraday (0.9.2)
-      multipart-post (>= 1.2, < 3)
+    faraday (2.9.0)
+      faraday-net_http (>= 2.0, < 3.2)
+    faraday-net_http (3.1.0)
+      net-http
     ffi (1.11.1)
     forwardable-extended (2.6.0)
     jekyll (3.6.3)
@@ -32,11 +35,14 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    multipart-post (2.0.0)
-    octokit (4.3.0)
-      sawyer (~> 0.7.0, >= 0.5.3)
+    net-http (0.4.1)
+      uri
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
+    public_suffix (5.0.4)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -47,9 +53,10 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.7.0)
-      addressable (>= 2.3.5, < 2.5)
-      faraday (~> 0.8, < 0.10)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
+    uri (0.13.0)
 
 PLATFORMS
   ruby