Update dependency sass-rails to v6

Gemfile

@@ -8,7 +8,7 @@ gem 'mongoid', git: 'https://github.com/mongodb/mongoid.git'
 # Use Puma as the app server
 gem 'puma', '~> 3.0'
 # Use SCSS for stylesheets
-gem 'sass-rails', '~> 5.0'
+gem 'sass-rails', '~> 6.0'
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier', '>= 1.3.0'
 # Use CoffeeScript for .coffee assets and views

Gemfile.lock

@@ -48,7 +48,7 @@ GEM
       tzinfo (~> 1.1)
     arel (7.1.0)
     bson (4.1.1)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (9.0.5)
     coderay (1.1.1)
     coffee-rails (4.2.1)
@@ -58,7 +58,8 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.1.6)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     erubis (2.7.0)
@@ -85,7 +86,8 @@ GEM
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.6.0)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
@@ -97,7 +99,8 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.5.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.10)
     mail (2.6.4)
@@ -106,27 +109,25 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
-    minitest (5.9.0)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
     mongo (2.2.6)
       bson (~> 4.0)
       pry
     multi_json (1.12.1)
     nenv (0.3.0)
     nio4r (1.2.1)
-    nokogiri (1.6.8)
-      mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     notiffany (0.1.0)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    pkg-config (1.1.7)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
     puma (3.5.2)
-    rack (2.0.1)
+    rack (2.2.2)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.0)
@@ -141,18 +142,18 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 5.0.0)
       sprockets-rails (>= 2.0.0)
-    rails-dom-testing (2.0.1)
-      activesupport (>= 4.2.0, < 6.0)
-      nokogiri (~> 1.6.0)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (5.0.0)
       actionpack (= 5.0.0)
       activesupport (= 5.0.0)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
+    rake (13.0.1)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -178,36 +179,39 @@ GEM
       rspec-mocks (~> 3.5.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
-    sass (3.4.22)
-    sass-rails (5.0.5)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.3.0)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
     shellany (0.0.1)
     slop (3.6.0)
     spring (1.7.2)
     spring-watcher-listen (2.0.0)
       listen (>= 2.7, < 4.0)
       spring (~> 1.2)
-    sprockets (3.7.0)
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.1.1)
+    sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     therubyracer (0.12.2)
       libv8 (~> 3.16.14.0)
       ref
-    thor (0.19.1)
-    thread_safe (0.3.5)
-    tilt (2.0.5)
+    thor (1.0.1)
+    thread_safe (0.3.6)
+    tilt (2.0.10)
     turbolinks (5.0.0)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     uglifier (3.0.0)
       execjs (>= 0.3.0, < 3)
@@ -237,7 +241,7 @@ DEPENDENCIES
   puma (~> 3.0)
   rails (~> 5.0.0)
   rspec-rails
-  sass-rails (~> 5.0)
+  sass-rails (~> 6.0)
   spring
   spring-watcher-listen (~> 2.0.0)
   therubyracer (>= 0.11.4)