Update dependency rubocop to v1.75.6

Author: renovate[bot]

Gemfile.lock

@@ -61,7 +61,7 @@ GEM
     rdoc (6.13.1)
       psych (>= 4.0.0)
     regexp_parser (2.10.0)
-    rubocop (1.75.5)
+    rubocop (1.75.6)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)