Update github-pages to version 193

Author: depfu[bot]

Diff for: Gemfile.lock

@@ -15,9 +15,9 @@ GEM
     coffee-script-source (1.11.1)
     colorator (1.1.0)
     colorize (0.8.1)
-    commonmarker (0.17.12)
+    commonmarker (0.17.13)
       ruby-enum (~> 0.5)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.3)
     dnsruby (1.61.2)
       addressable (~> 2.5)
     em-websocket (0.5.1)
@@ -27,20 +27,20 @@ GEM
       ffi (>= 1.3.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    faraday (0.15.2)
+    faraday (0.15.3)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.25)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    github-pages (192)
+    github-pages (193)
       activesupport (= 4.2.10)
       github-pages-health-check (= 1.8.1)
       jekyll (= 3.7.4)
       jekyll-avatar (= 0.6.0)
       jekyll-coffeescript (= 1.1.1)
       jekyll-commonmark-ghpages (= 0.1.5)
       jekyll-default-layout (= 0.1.4)
-      jekyll-feed (= 0.10.0)
+      jekyll-feed (= 0.11.0)
       jekyll-gist (= 1.5.0)
       jekyll-github-metadata (= 2.9.4)
       jekyll-mentions (= 1.4.1)
@@ -83,7 +83,7 @@ GEM
       octokit (~> 4.0)
       public_suffix (~> 2.0)
       typhoeus (~> 1.3)
-    html-pipeline (2.8.4)
+    html-pipeline (2.9.1)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     html-proofer (3.9.2)
@@ -125,7 +125,7 @@ GEM
       rouge (~> 2)
     jekyll-default-layout (0.1.4)
       jekyll (~> 3.0)
-    jekyll-feed (0.10.0)
+    jekyll-feed (0.11.0)
       jekyll (~> 3.3)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)
@@ -196,7 +196,7 @@ GEM
       jekyll-seo-tag (~> 2.0)
     jekyll-titles-from-headings (0.5.1)
       jekyll (~> 3.3)
-    jekyll-watch (2.0.0)
+    jekyll-watch (2.1.2)
       listen (~> 3.0)
     jemoji (0.10.1)
       gemoji (~> 3.0)
@@ -216,12 +216,12 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.0.0)
-    nokogiri (1.8.4)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
-    octokit (4.11.0)
+    octokit (4.13.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.12.1)
-    pathutil (0.16.1)
+    pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
     rake (12.3.1)
@@ -240,7 +240,7 @@ GEM
     ruby_dep (1.5.0)
     rubyzip (1.2.2)
     safe_yaml (1.0.4)
-    sass (3.5.7)
+    sass (3.7.2)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -251,7 +251,7 @@ GEM
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    typhoeus (1.3.0)
+    typhoeus (1.3.1)
       ethon (>= 0.9.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)