Merge pull request #247 from ruby-syntax-tree/dependabot/bundler/rouge-4.6.0

Bump rouge from 4.5.2 to 4.6.0

Author: github-actions[bot]

Gemfile.lock

@@ -7,7 +7,7 @@ GEM
     prettier_print (1.2.1)
     rake (13.3.0)
     rexml (3.3.9)
-    rouge (4.5.2)
+    rouge (4.6.0)
     syntax_tree (6.3.0)
       prettier_print (>= 1.2.0)
     test-unit (3.7.0)