Update auto_check workflow: actions/checkout@v6 and DAPPNODE_ACTIONS_PR_CREATOR token (#58)

* Initial plan

* Update auto_check.yml: bump actions/checkout to v6 and update GITHUB_TOKEN

Co-authored-by: pablomendezroyo <41727368+pablomendezroyo@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: pablomendezroyo <41727368+pablomendezroyo@users.noreply.github.com>

Author: Copilot

.github/workflows/auto_check.yml

@@ -13,9 +13,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - run: npx @dappnode/dappnodesdk github-action bump-upstream --use-variants
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.DAPPNODE_ACTIONS_PR_CREATOR }}
           PINATA_API_KEY: ${{ secrets.PINATA_API_KEY }}
           PINATA_SECRET_API_KEY: ${{ secrets.PINATA_SECRET_API_KEY }}