Update dependency govuk_tech_docs to v4

Author: renovate[bot]

Diff for: Gemfile.lock

@@ -2,30 +2,31 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.1.0)
-    activesupport (7.0.7.2)
+    activesupport (7.0.8.7)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.4)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     afm (0.2.2)
     async (2.10.1)
       console (~> 1.10)
       fiber-annotation
       io-event (~> 1.5, >= 1.5.1)
       timers (~> 4.1)
-    autoprefixer-rails (10.4.13.0)
+    autoprefixer-rails (10.4.19.0)
       execjs (~> 2)
-    backports (3.24.1)
+    backports (3.25.0)
+    base64 (0.2.0)
     bigdecimal (3.1.7)
     chronic (0.10.2)
     chunky_png (1.4.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    commonmarker (0.23.10)
+    commonmarker (0.23.11)
     compass (1.0.3)
       chunky_png (~> 1.2)
       compass-core (~> 1.0.2)
@@ -38,42 +39,54 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.3.4)
     console (1.23.6)
       fiber-annotation
       fiber-local
       json
-    contracts (0.17)
-    dotenv (2.8.1)
+    contracts (0.17.2)
+    csv (3.3.2)
+    dotenv (3.1.7)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     erubis (2.7.0)
     ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    execjs (2.8.1)
+    execjs (2.10.0)
     fast_blank (1.0.1)
-    fastimage (2.2.7)
-    ffi (1.15.5)
+    fastimage (2.4.0)
+    ffi (1.17.1)
     fiber-annotation (0.2.0)
     fiber-local (1.0.0)
-    govuk_tech_docs (3.4.0)
+    google-protobuf (4.29.3)
+      bigdecimal
+      rake (>= 13)
+    govuk_tech_docs (4.2.0)
       autoprefixer-rails (~> 10.2)
+      base64
+      bigdecimal
       chronic (~> 0.10.2)
-      haml (< 6.0.0)
+      concurrent-ruby (= 1.3.4)
+      csv
+      haml (~> 6.0)
       middleman (~> 4.0)
-      middleman-autoprefixer (~> 2.10.0)
-      middleman-compass (>= 4.0.0)
+      middleman-autoprefixer (~> 2.10)
+      middleman-compass (~> 4.0)
       middleman-livereload
       middleman-search-gds
       middleman-sprockets (~> 4.0.0)
-      middleman-syntax (~> 3.2.0)
+      middleman-syntax (~> 3.4)
+      mutex_m
       nokogiri
       openapi3_parser (~> 0.9.0)
-      redcarpet (~> 3.5.1)
-    haml (5.2.2)
-      temple (>= 0.8.0)
+      redcarpet (~> 3.6)
+      sassc-embedded (~> 1.78.0)
+      terser (~> 1.2.3)
+    haml (6.3.0)
+      temple (>= 0.8.2)
+      thor
       tilt
     hamster (3.0.0)
       concurrent-ruby (~> 1.0)
@@ -93,9 +106,9 @@ GEM
       concurrent-ruby (~> 1.0)
     io-event (1.5.1)
     json (2.7.2)
-    kramdown (2.4.0)
-      rexml
-    listen (3.8.0)
+    kramdown (2.5.1)
+      rexml (>= 3.3.9)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     memoist (0.16.2)
@@ -151,13 +164,14 @@ GEM
     middleman-sprockets (4.0.0)
       middleman-core (~> 4.0)
       sprockets (>= 3.0)
-    middleman-syntax (3.2.0)
+    middleman-syntax (3.4.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.8.2)
-    minitest (5.19.0)
+    mini_portile2 (2.8.8)
+    minitest (5.25.4)
     multi_json (1.15.0)
-    nokogiri (1.15.2)
+    mutex_m (0.3.0)
+    nokogiri (1.18.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     openapi3_parser (0.9.2)
@@ -167,37 +181,44 @@ GEM
       padrino-support (= 0.15.3)
       tilt (>= 1.4.1, < 3)
     padrino-support (0.15.3)
-    parallel (1.23.0)
+    parallel (1.26.3)
     parslet (2.0.0)
     pdf-reader (2.12.0)
       Ascii85 (~> 1.0)
       afm (~> 0.2.1)
       hashery (~> 2.0)
       ruby-rc4
       ttfunk
-    public_suffix (5.0.1)
-    racc (1.7.0)
-    rack (2.2.7)
+    public_suffix (6.0.1)
+    racc (1.8.1)
+    rack (2.2.11)
     rack-livereload (0.3.17)
       rack
     rainbow (3.1.1)
     rake (13.0.6)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    redcarpet (3.5.1)
-    rexml (3.2.5)
+    redcarpet (3.6.1)
+    rexml (3.4.1)
     rouge (3.30.0)
     ruby-rc4 (0.1.5)
     sass (3.4.25)
+    sass-embedded (1.85.1)
+      google-protobuf (~> 4.29)
+      rake (>= 13)
     sassc (2.4.0)
       ffi (~> 1.9)
+    sassc-embedded (1.78.0)
+      sass-embedded (~> 1.78)
     servolux (0.13.0)
-    sprockets (4.2.0)
+    sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
-    temple (0.10.2)
-    thor (1.2.2)
+    temple (0.10.3)
+    terser (1.2.5)
+      execjs (>= 0.3.0, < 3)
+    thor (1.3.2)
     tilt (2.0.11)
     timers (4.3.5)
     toml (0.3.0)
@@ -210,7 +231,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    webrick (1.8.1)
+    webrick (1.9.1)
     yell (2.2.2)
     zeitwerk (2.6.13)