update dependencies

Gemfile.lock

@@ -25,18 +25,18 @@ GEM
  ffi (>= 1.3.0)
  eventmachine (1.2.7)
  execjs (2.7.0)
- faraday (0.16.2)
+ faraday (0.17.0)
  multipart-post (>= 1.2, < 3)
  ffi (1.11.1)
  forwardable-extended (2.6.0)
  gemoji (3.0.1)
- github-pages (200)
+ github-pages (201)
  activesupport (= 4.2.11.1)
  github-pages-health-check (= 1.16.1)
  jekyll (= 3.8.5)
  jekyll-avatar (= 0.6.0)
  jekyll-coffeescript (= 1.1.1)
- jekyll-commonmark-ghpages (= 0.1.5)
+ jekyll-commonmark-ghpages (= 0.1.6)
  jekyll-default-layout (= 0.1.4)
  jekyll-feed (= 0.11.0)
  jekyll-gist (= 1.5.0)
@@ -73,7 +73,7 @@ GEM
  mercenary (~> 0.3)
  minima (= 2.5.0)
  nokogiri (>= 1.10.4, < 2.0)
- rouge (= 2.2.1)
+ rouge (= 3.11.0)
  terminal-table (~> 1.4)
  github-pages-health-check (1.16.1)
  addressable (~> 2.3)
@@ -84,11 +84,10 @@ GEM
  html-pipeline (2.12.0)
  activesupport (>= 2)
  nokogiri (>= 1.4)
- html-proofer (3.11.1)
- activesupport (>= 4.2, < 6.0)
+ html-proofer (3.13.0)
  addressable (~> 2.3)
- mercenary (~> 0.3.2)
- nokogiri (~> 1.9)
+ mercenary (~> 0.3)
+ nokogiri (~> 1.10)
  parallel (~> 1.3)
  rainbow (~> 3.0)
  typhoeus (~> 1.3)
@@ -117,10 +116,10 @@ GEM
  jekyll-commonmark (1.3.1)
  commonmarker (~> 0.14)
  jekyll (>= 3.7, < 5.0)
- jekyll-commonmark-ghpages (0.1.5)
+ jekyll-commonmark-ghpages (0.1.6)
  commonmarker (~> 0.17.6)
- jekyll-commonmark (~> 1)
- rouge (~> 2)
+ jekyll-commonmark (~> 1.2)
+ rouge (>= 2.0, < 4.0)
  jekyll-default-layout (0.1.4)
  jekyll (~> 3.0)
  jekyll-feed (0.11.0)
@@ -219,15 +218,15 @@ GEM
  mini_portile2 (~> 2.4.0)
  octokit (4.14.0)
  sawyer (~> 0.8.0, >= 0.5.3)
- parallel (1.17.0)
+ parallel (1.18.0)
  pathutil (0.16.2)
  forwardable-extended (~> 2.6)
  public_suffix (3.1.1)
  rainbow (3.0.0)
  rb-fsevent (0.10.3)
  rb-inotify (0.10.0)
  ffi (~> 1.0)
- rouge (2.2.1)
+ rouge (3.11.0)
  ruby-enum (0.7.2)
  i18n
  ruby_dep (1.5.0)