Update dependency sass-rails to v6

Gemfile

@@ -10,7 +10,7 @@ gem "pg"
 # Use Puma as the app server
 gem "puma"
 # Use SCSS for stylesheets
-gem "sass-rails", "~> 5"
+gem "sass-rails", "~> 6"
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
 gem "webpacker"
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder

Gemfile.lock

@@ -91,7 +91,7 @@ GEM
       xpath (~> 3.2)
     childprocess (5.1.0)
       logger (~> 1.5)
-    concurrent-ruby (1.3.4)
+    concurrent-ruby (1.3.5)
     crass (1.0.6)
     date (3.4.0)
     devise (4.9.4)
@@ -101,14 +101,14 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.5.1)
-    erubi (1.13.0)
+    erubi (1.13.1)
     factory_bot (6.5.0)
       activesupport (>= 5.0.0)
     factory_bot_rails (6.4.4)
       factory_bot (~> 6.5)
       railties (>= 5.0.0)
-    ffi (1.17.0-x86_64-darwin)
-    ffi (1.17.0-x86_64-linux-gnu)
+    ffi (1.17.1-x86_64-darwin)
+    ffi (1.17.1-x86_64-linux-gnu)
     globalid (1.2.1)
       activesupport (>= 6.1)
     gov_uk_date_fields (4.2.0)
@@ -122,7 +122,7 @@ GEM
       activesupport (>= 5.1)
       haml (>= 4.0.6)
       railties (>= 5.1)
-    i18n (1.14.6)
+    i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     jbuilder (2.13.0)
       actionview (>= 5.0.0)
@@ -137,7 +137,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.6.5)
-    loofah (2.23.1)
+    loofah (2.24.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -149,7 +149,7 @@ GEM
     matrix (0.4.2)
     method_source (1.1.0)
     mini_mime (1.1.5)
-    minitest (5.25.1)
+    minitest (5.25.4)
     msgpack (1.7.3)
     net-imap (0.5.0)
       date
@@ -161,9 +161,9 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.4)
-    nokogiri (1.16.7-x86_64-darwin)
+    nokogiri (1.18.2-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-linux)
+    nokogiri (1.18.2-x86_64-linux-gnu)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.26.3)
@@ -181,7 +181,7 @@ GEM
     rack (2.2.10)
     rack-proxy (0.7.7)
       rack
-    rack-test (2.1.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
     rails (6.1.7.10)
       actioncable (= 6.1.7.10)
@@ -202,9 +202,9 @@ GEM
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.0)
+    rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
-      nokogiri (~> 1.14)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
     railties (6.1.7.10)
       actionpack (= 6.1.7.10)
       activesupport (= 6.1.7.10)
@@ -257,17 +257,16 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
     ruby-progressbar (1.13.0)
     rubyzip (2.4.1)
-    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 (5.1.0)
-      railties (>= 5.2.0)
-      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 (2.4.0)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
     selenium-webdriver (4.28.0)
       base64 (~> 0.2)
       logger (~> 1.4)
@@ -282,10 +281,9 @@ GEM
     spring-watcher-listen (2.1.0)
       listen (>= 2.7, < 4.0)
       spring (>= 4)
-    sprockets (3.7.5)
-      base64
+    sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
+      rack (>= 2.2.4, < 4)
     sprockets-rails (3.5.2)
       actionpack (>= 6.1)
       activesupport (>= 6.1)
@@ -304,7 +302,7 @@ GEM
       rubocop-performance (~> 1.23.0)
     temple (0.10.3)
     thor (1.3.2)
-    tilt (2.4.0)
+    tilt (2.6.0)
     timeout (0.4.2)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -354,7 +352,7 @@ DEPENDENCIES
   rails (~> 6.1.6)
   rspec-rails
   rspec_junit_formatter
-  sass-rails (~> 5)
+  sass-rails (~> 6)
   selenium-webdriver
   simple_form
   spring