Use GITHUB_TOKEN instead of PUBLISH_TOKEN for ghcr.io login

Author: Mark Saroufim

.github/workflows/publish_amd_docker.yml

@@ -23,7 +23,7 @@ jobs:
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
-          password: ${{ secrets.PUBLISH_TOKEN }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7