Merge pull request #37 from ruby-syntax-tree/dependabot/bundler/prettier_print-1.2.1

Bump prettier_print from 1.2.0 to 1.2.1

Author: github-actions[bot]

Gemfile.lock

@@ -10,7 +10,7 @@ GEM
   specs:
     docile (1.4.0)
     minitest (5.18.0)
-    prettier_print (1.2.0)
+    prettier_print (1.2.1)
     rake (13.0.6)
     simplecov (0.22.0)
       docile (~> 1.1)