Update dependency rubocop to v1.81.1

Author: renovate[bot]

Gemfile.lock

@@ -224,7 +224,7 @@ GEM
     rouge (4.6.1)
     rss (0.3.1)
       rexml
-    rubocop (1.81.0)
+    rubocop (1.81.1)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)