hard code package name and add token

.github/workflows/cleanup.yml

@@ -5,10 +5,6 @@ on:
     - cron: '0 0 * * 0' # Kører hver søndag ved midnat
   workflow_dispatch: # Gør det muligt at køre den manuelt
 
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
-
 jobs:
   delete-old-images:
     runs-on: ubuntu-latest
@@ -18,7 +14,8 @@ jobs:
       - name: Slet gamle versioner
         uses: actions/delete-package-versions@v5
         with:
-          package-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} # Skift til dit image navn
+          package-name: 'my-ostree-os' # Skift til dit image navn
           package-type: 'container'
           min-versions-to-keep: 50
           delete-only-untagged-versions: 'false'
+          token: ${{ secrets.GITHUB_TOKEN }}