chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/autofix.yml

@@ -13,7 +13,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v6
         with: