Fix Docker Hub token reference

Author: maquchizi

.github/workflows/publish-docker-image.yaml

@@ -21,7 +21,7 @@ jobs:
         uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef
         with:
           username: ${{ secrets.DOCKER_HUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta