fix(ci): add context: . to Docker build-push step in release workflow

.gitea/workflows/release.yml

@@ -73,6 +73,7 @@ jobs:
       - name: Build and push image
         uses: docker/build-push-action@v6
         with:
+          context: .
           push: true
           tags: |
             ${{ env.IMAGE }}:${{ github.ref_name }}