Bump actions/checkout from 5 to 6 (#52)

Author: dependabot[bot]

.github/workflows/check-dist.yml

@@ -25,7 +25,7 @@ jobs:
     name: Check dist/
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with: