Merge pull request #206 from ruby-syntax-tree/dependabot/bundler/syntax_tree-6.1.1

Bump syntax_tree from 6.1.0 to 6.1.1

Author: github-actions[bot]

Gemfile.lock

@@ -8,7 +8,7 @@ GEM
     rake (13.0.6)
     rexml (3.2.5)
     rouge (4.1.0)
-    syntax_tree (6.1.0)
+    syntax_tree (6.1.1)
       prettier_print (>= 1.2.0)
     test-unit (3.5.7)
       power_assert