chore(deps): bump json from 1.8.6 to 2.3.0 in /build

build/Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'uglifier'
-gem 'json', '1.8.6'
+gem 'json', '2.3.0'
 gem 'jekyll', '3.0.1'
 gem 'jekyll-sitemap'
 gem 'jekyll-assets'

build/Gemfile.lock

@@ -1,14 +1,14 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.5)
+    activesupport (4.2.11.3)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.3.8)
     colorator (0.1)
+    concurrent-ruby (1.1.6)
     execjs (2.6.0)
     fastimage (1.8.0)
       addressable (~> 2.3, >= 2.3.5)
@@ -18,7 +18,8 @@ GEM
     html-pipeline (2.2.2)
       activesupport (>= 2, < 5)
       nokogiri (>= 1.4)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jekyll (3.0.1)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)
@@ -42,7 +43,7 @@ GEM
     jekyll-unsanitize (0.4)
     jekyll-watch (1.4.0)
       listen (~> 3.0, < 3.1)
-    json (1.8.6)
+    json (2.3.0)
     kramdown (1.11.1)
     liquid (3.0.6)
     listen (3.0.8)
@@ -51,7 +52,7 @@ GEM
     mercenary (0.3.6)
     mini_magick (4.3.6)
     mini_portile2 (2.4.0)
-    minitest (5.8.2)
+    minitest (5.14.1)
     multi_json (1.11.2)
     nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
@@ -72,9 +73,9 @@ GEM
     sprockets-sass (1.3.1)
       sprockets (~> 2.0)
       tilt (~> 1.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (1.4.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     uglifier (2.7.2)
       execjs (>= 0.3.0)
@@ -90,7 +91,7 @@ DEPENDENCIES
   jekyll-assets
   jekyll-sitemap
   jekyll-unsanitize (= 0.4)
-  json (= 1.8.6)
+  json (= 2.3.0)
   uglifier
 
 BUNDLED WITH