chore: add login to build job

.github/workflows/docker.yml

@@ -48,6 +48,12 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
+    - name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
     - name: Build and push Docker image
       id: build
       uses: docker/build-push-action@v6