Merge pull request #75 from ruby-syntax-tree/dependabot/bundler/rubocop-1.29.1

Bump rubocop from 1.29.0 to 1.29.1

Author: github-actions[bot]

Gemfile.lock

@@ -14,9 +14,9 @@ GEM
       ast (~> 2.4.1)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.3.1)
+    regexp_parser (2.4.0)
     rexml (3.2.5)
-    rubocop (1.29.0)
+    rubocop (1.29.1)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)