chore(deps): update dependency ruby to v4.0.6

Author: renovate[bot]

.github/workflows/test.yml

@@ -64,7 +64,7 @@ jobs:
       - uses: actions/checkout@61b9e3751b92087fd0b06925ba6dd6314e06f089 # master
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "4.0.5"
+          ruby-version: "4.0.6"
           bundler-cache: True
 
       - run: bundle exec rubocop --parallel --color