Bump gems.

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 group :development, :test do
-  gem 'jekyll', '~> 3.8.5'
+  gem 'jekyll', '~> 3.8.6'
   gem 'jekyll-feed', '~> 0.12.1'
   gem 'jekyll-paginate', '~> 1.1.0'
   gem 'jekyll-redirect-from', '~> 0.15.0'

Gemfile.lock

@@ -10,13 +10,13 @@ GEM
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
-    ffi (1.10.0)
+    ffi (1.11.1)
-    ffi (1.10.0-x64-mingw32)
+    ffi (1.11.1-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.8.5)
+    jekyll (3.8.6)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -49,11 +49,11 @@ GEM
     mercenary (0.3.6)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.3)
+    public_suffix (3.1.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    rouge (3.3.0)
+    rouge (3.7.0)
     ruby_dep (1.5.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -68,7 +68,7 @@ PLATFORMS
   x64-mingw32
 
 DEPENDENCIES
-  jekyll (~> 3.8.5)
+  jekyll (~> 3.8.6)
   jekyll-feed (~> 0.12.1)
   jekyll-paginate (~> 1.1.0)
   jekyll-redirect-from (~> 0.15.0)