set docker credentials for deploy

Author: xetys

.github/workflows/deploy.yml

@@ -16,4 +16,7 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Build and Push
+      env:
+        DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+        DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
       run: make build ci-push