chore(deps): update dependency ruby to v4

Author: renovate[bot]

.github/workflows/changelog.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.7'
+          ruby-version: '4.0.1'
       - name: Install github_changelog_generator
         run: gem install github_changelog_generator
       - name: Re-generate CHANGELOG.md