Bump rouge from 3.28.0 to 3.29.0 (#1621)

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

Author: dependabot[bot]

Gemfile.lock

@@ -100,7 +100,7 @@ GEM
       ffi (~> 1.0)
     redcarpet (3.5.1)
     rexml (3.2.5)
-    rouge (3.28.0)
+    rouge (3.29.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)