Merge pull request #412 from ruby-syntax-tree/dependabot/bundler/rubocop-1.56.4

Bump rubocop from 1.56.3 to 1.56.4

Author: github-actions[bot]

Gemfile.lock

@@ -23,7 +23,7 @@ GEM
     rake (13.0.6)
     regexp_parser (2.8.1)
     rexml (3.2.6)
-    rubocop (1.56.3)
+    rubocop (1.56.4)
       base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)