Bump middleman-syntax from 3.2.0 to 3.3.0 (#1648)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.1.4.1)
+    activesupport (6.1.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -11,19 +11,19 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     autoprefixer-rails (10.2.5.0)
       execjs (< 2.8.0)
-    backports (3.21.0)
+    backports (3.23.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     contracts (0.13.0)
-    dotenv (2.7.6)
+    dotenv (2.8.1)
     erubis (2.7.0)
     execjs (2.7.0)
     fast_blank (1.0.1)
-    fastimage (2.2.5)
-    ffi (1.15.4)
+    fastimage (2.2.6)
+    ffi (1.15.5)
     haml (5.2.2)
       temple (>= 0.8.0)
       tilt
@@ -77,11 +77,11 @@ GEM
     middleman-sprockets (4.1.1)
       middleman-core (~> 4.0)
       sprockets (>= 3.0)
-    middleman-syntax (3.2.0)
+    middleman-syntax (3.3.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
     mini_portile2 (2.8.0)
-    minitest (5.14.4)
+    minitest (5.16.2)
     nokogiri (1.13.8)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
@@ -90,12 +90,12 @@ GEM
       padrino-support (= 0.15.1)
       tilt (>= 1.4.1, < 3)
     padrino-support (0.15.1)
-    parallel (1.21.0)
+    parallel (1.22.1)
     parslet (2.0.0)
-    public_suffix (4.0.6)
+    public_suffix (4.0.7)
     racc (1.6.0)
-    rack (2.2.3)
-    rb-fsevent (0.11.0)
+    rack (2.2.4)
+    rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
@@ -114,15 +114,15 @@ GEM
       rack (> 1, < 3)
     temple (0.8.2)
     thor (1.1.0)
-    tilt (2.0.10)
+    tilt (2.0.11)
     toml (0.3.0)
       parslet (>= 1.8.0, < 3.0.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
     webrick (1.7.0)
-    zeitwerk (2.5.1)
+    zeitwerk (2.6.0)
 
 PLATFORMS
   ruby