Bump rouge to 4.2 (#20286)

Co-authored-by: Mac Siri <mac@forem.com>

Gemfile

@@ -93,7 +93,7 @@ gem "rpush-redis", "~> 1.1" # Redis module capability for rpush library
 gem "request_store", "~> 1.5" # RequestStore gives you per-request global storage
 gem "reverse_markdown", "~> 2.1" # Map simple html back into markdown
 gem "rolify", "~> 6.0" # Very simple Roles library
-gem "rouge", "~> 3.30" # A pure-ruby code highlighter
+gem "rouge", "~> 4.2" # A pure-ruby code highlighter
 gem "rss", "~> 0.2.9" # Ruby's standard library for RSS
 gem "rubyzip", "~> 2.3" # Rubyzip is a ruby library for reading and writing zip files
 gem "s3_direct_upload", "~> 0.1" # Direct Upload to Amazon S3

Gemfile.lock

@@ -704,7 +704,7 @@ GEM
     rexml (3.2.6)
     rice (4.1.0)
     rolify (6.0.1)
-    rouge (3.30.0)
+    rouge (4.2.0)
     rpush (7.0.1)
       activesupport (>= 5.2)
       jwt (>= 1.5.6)
@@ -1078,7 +1078,7 @@ DEPENDENCIES
   request_store (~> 1.5)
   reverse_markdown (~> 2.1)
   rolify (~> 6.0)
-  rouge (~> 3.30)
+  rouge (~> 4.2)
   rpush (~> 7.0)
   rpush-redis (~> 1.1)
   rspec-rails (~> 6.0)