Merge pull request #3 from yoshoku/dependabot/github_actions/actions/checkout-6

chore(deps): bump actions/checkout from 5 to 6

Author: yoshoku

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         ruby: [ '3.2', '3.3', '3.4' ]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Ruby ${{ matrix.ruby }}
         uses: ruby/setup-ruby@v1
         with: