Remove github token

Author: guiguem

.github/workflows/pullrequest_workflow.yml

@@ -45,7 +45,6 @@ jobs:
           file: Dockerfile
           push: false
           pull: true
-          github-token: ${{ secrets.GITHUB_TOKEN }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           ssh: |