Merge pull request #2353 from ember-cli/dependabot/github_actions/actions/checkout-6

build(deps): Bump actions/checkout from 5 to 6

Author: NullVoxPopuli

.github/workflows/publish.yml

@@ -26,7 +26,7 @@ jobs:
       attestations: write
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v6
         with: