build(deps): bump middleman-syntax from 2.1.0 to 3.4.0 in /docs/v3

Bumps [middleman-syntax](https://github.com/middleman/middleman-syntax) from 2.1.0 to 3.4.0.
- [Changelog](https://github.com/middleman/middleman-syntax/blob/master/CHANGELOG.md)
- [Commits](middleman/middleman-syntax@v2.1.0...v3.4.0)

---
updated-dependencies:
- dependency-name: middleman-syntax
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

docs/v3/Gemfile

@@ -6,7 +6,7 @@ gem 'middleman-autoprefixer', '~> 3.0', '>= 3.0.0'
 gem 'middleman-gh-pages', '>= 0.0.3'
 gem 'middleman-livereload', '>= 3.4.7'
 gem 'middleman-sprockets', '~> 4.1', '>= 4.1.1'
-gem 'middleman-syntax', '2.1.0'
+gem 'middleman-syntax', '3.4.0'
 gem 'mini_racer'
 gem 'nokogiri', '~> 1.16.4'
 gem 'rake', '>= 12.3.3'

docs/v3/Gemfile.lock

@@ -1,32 +1,32 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (7.0.7.2)
+    activesupport (7.0.8.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.1)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     autoprefixer-rails (10.4.7.0)
       execjs (~> 2)
-    backports (3.23.0)
+    backports (3.25.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     contracts (0.17)
-    dotenv (2.8.1)
+    dotenv (3.1.0)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     erubis (2.7.0)
     eventmachine (1.2.7)
-    execjs (2.8.1)
+    execjs (2.9.1)
     fast_blank (1.0.1)
-    fastimage (2.2.6)
-    ffi (1.15.5)
+    fastimage (2.3.1)
+    ffi (1.16.3)
     haml (5.2.2)
       temple (>= 0.8.0)
       tilt
@@ -92,9 +92,9 @@ GEM
     middleman-sprockets (4.1.1)
       middleman-core (~> 4.0)
       sprockets (>= 3.0)
-    middleman-syntax (2.1.0)
+    middleman-syntax (3.4.0)
       middleman-core (>= 3.2)
-      rouge (~> 1.0)
+      rouge (~> 3.2)
     mini_portile2 (2.8.6)
     mini_racer (0.9.0)
       libv8-node (~> 18.19.0.0)
@@ -108,14 +108,14 @@ GEM
       racc (~> 1.4)
     nokogiri (1.16.4-x86_64-linux)
       racc (~> 1.4)
-    padrino-helpers (0.15.1)
+    padrino-helpers (0.15.3)
       i18n (>= 0.6.7, < 2)
-      padrino-support (= 0.15.1)
+      padrino-support (= 0.15.3)
       tilt (>= 1.4.1, < 3)
-    padrino-support (0.15.1)
-    parallel (1.22.1)
+    padrino-support (0.15.3)
+    parallel (1.24.0)
     parslet (2.0.0)
-    public_suffix (5.0.0)
+    public_suffix (5.0.5)
     racc (1.7.3)
     rack (2.2.9)
     rack-livereload (0.3.17)
@@ -126,7 +126,7 @@ GEM
       ffi (~> 1.0)
     redcarpet (3.6.0)
     rexml (3.2.5)
-    rouge (1.11.1)
+    rouge (3.30.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -162,7 +162,7 @@ DEPENDENCIES
   middleman-gh-pages (>= 0.0.3)
   middleman-livereload (>= 3.4.7)
   middleman-sprockets (~> 4.1, >= 4.1.1)
-  middleman-syntax (= 2.1.0)
+  middleman-syntax (= 3.4.0)
   mini_racer
   nokogiri (~> 1.16.4)
   rake (>= 12.3.3)