build(deps): bump middleman-syntax from 2.1.0 to 3.3.0 in /docs/v3

Bumps [middleman-syntax](https://github.com/middleman/middleman-syntax) from 2.1.0 to 3.3.0.
- [Release notes](https://github.com/middleman/middleman-syntax/releases)
- [Changelog](https://github.com/middleman/middleman-syntax/blob/master/CHANGELOG.md)
- [Commits](middleman/middleman-syntax@v2.1.0...v3.3.0)

---
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

@@ -2,7 +2,7 @@ source 'http://rubygems.org'
 
 gem 'json', '>= 2.3.0'
 gem 'middleman', '~> 4.4'
-gem 'middleman-syntax', '2.1.0'
+gem 'middleman-syntax', '3.3.0'
 gem 'middleman-autoprefixer', '~> 3.0', '>= 3.0.0'
 gem 'middleman-sprockets', '~> 4.1', '>= 4.1.1'
 gem 'middleman-gh-pages', '>= 0.0.3'

docs/v3/Gemfile.lock

@@ -42,7 +42,7 @@ GEM
     libv8-node (16.10.0.0)
     libv8-node (16.10.0.0-x86_64-darwin)
     libv8-node (16.10.0.0-x86_64-linux)
-    listen (3.7.1)
+    listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     memoist (0.16.2)
@@ -91,9 +91,9 @@ GEM
     middleman-sprockets (4.1.1)
       middleman-core (~> 4.0)
       sprockets (>= 3.0)
-    middleman-syntax (2.1.0)
+    middleman-syntax (3.3.0)
       middleman-core (>= 3.2)
-      rouge (~> 1.0)
+      rouge (~> 3.2)
     mini_portile2 (2.8.1)
     mini_racer (0.6.3)
       libv8-node (~> 16.10.0.0)
@@ -105,14 +105,14 @@ GEM
       racc (~> 1.4)
     nokogiri (1.14.2-x86_64-linux)
       racc (~> 1.4)
-    padrino-helpers (0.15.1)
+    padrino-helpers (0.15.2)
       i18n (>= 0.6.7, < 2)
-      padrino-support (= 0.15.1)
+      padrino-support (= 0.15.2)
       tilt (>= 1.4.1, < 3)
-    padrino-support (0.15.1)
+    padrino-support (0.15.2)
     parallel (1.22.1)
     parslet (2.0.0)
-    public_suffix (5.0.0)
+    public_suffix (5.0.1)
     racc (1.6.2)
     rack (2.2.6.2)
     rack-livereload (0.3.17)
@@ -123,7 +123,7 @@ 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)
@@ -140,11 +140,11 @@ GEM
     tilt (2.0.11)
     toml (0.3.0)
       parslet (>= 1.8.0, < 3.0.0)
-    tzinfo (2.0.5)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    webrick (1.7.0)
+    webrick (1.8.1)
 
 PLATFORMS
   ruby
@@ -158,7 +158,7 @@ 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 (= 3.3.0)
   mini_racer
   nokogiri (~> 1.14.2)
   rake (>= 12.3.3)