Fix Docker Hub login

Author: droserasprout

.github/workflows/release.yml

@@ -10,8 +10,6 @@ jobs:
     runs-on: ubuntu-latest
     env:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
-      DOCKER_REGISTRY: hub.docker.com
-      DOCKER_IMAGE_NAME: ${{ github.repository }}
     steps:
       - name: Check out the repo
         uses: actions/checkout@v2
@@ -26,15 +24,14 @@ jobs:
       - name: Log in to the registry
         uses: docker/login-action@v1
         with:
-          registry: ${{ env.DOCKER_REGISTRY }}
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Set up metadata
         id: meta
         uses: docker/metadata-action@v3
         with:
-          images: ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_IMAGE_NAME }}
+          images: dipdup/dipdup
           tags: |
             type=pep440,pattern={{version}}
             type=pep440,pattern={{major}}
@@ -44,7 +41,7 @@ jobs:
         id: meta-pytezos
         uses: docker/metadata-action@v3
         with:
-          images: ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_IMAGE_NAME }}
+          images: dipdup/dipdup
           tags: |
             type=pep440,pattern={{version}}-pytezos
             type=pep440,pattern={{major}}-pytezos