File sync from hanakai-rb/repo-sync

Updated files:

- .github/workflows/ci.yml
- .github/workflows/rubocop.yml

Author: github-actions[bot]

.github/workflows/ci.yml

@@ -22,16 +22,15 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
+          - "4.0"
           - "3.4"
           - "3.3"
           - "3.2"
         include:
-          - ruby: "3.4"
+          - ruby: "4.0"
             coverage: "true"
           - ruby: "jruby"
             optional: true
-          - ruby: "4.0.0-preview2"
-            optional: true
     env:
       COVERAGE: ${{ matrix.coverage }}
     steps:

.github/workflows/rubocop.yml

@@ -23,10 +23,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Ruby 3.4
+      - name: Set up Ruby 4.0
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.4
+          ruby-version: 4.0
           bundler-cache: true
 
       - name: Run RuboCop