Bump sass-rails from 5.0.7 to 6.0.0

Gemfile

@@ -12,7 +12,7 @@ gem "pg", ">= 0.18", "< 2.0"
 # Use Puma as the app server
 gem "puma", "~> 3.11"
 # 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"
 # See https://github.com/rails/execjs#readme for more supported runtimes

Gemfile.lock

@@ -127,7 +127,7 @@ GEM
     minitest (5.11.3)
     msgpack (1.2.10)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     parallel (1.17.0)
@@ -161,7 +161,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.2.0)
       loofah (~> 2.2, >= 2.2.2)
     railties (5.2.3)
       actionpack (= 5.2.3)
@@ -170,7 +170,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.2)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -207,17 +207,8 @@ GEM
     ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
     rubyzip (1.2.3)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.7)
-      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 (2.0.1)
       ffi (~> 1.9)
       rake
@@ -306,7 +297,7 @@ DEPENDENCIES
   rails (~> 5.2.2)
   rspec-rails (~> 3.8)
   rubocop-performance
-  sass-rails (~> 5.0)
+  sass-rails (~> 6.0)
   selenium-webdriver
   slim-rails
   slim_lint