fix(ci): add docker login before buildx push

.gitea/workflows/ci-cd.yml

@@ -126,7 +126,6 @@ jobs:
           REGISTRY_URL=$(echo ${GITHUB_SERVER_URL} | sed 's|.*://||')
           
           # Create buildkitd config for HTTP registry
-          mkdir -p ~/.docker/buildx
           cat > /tmp/buildkitd.toml << EOF
           [registry."${REGISTRY_URL}"]
             http = true
@@ -137,6 +136,11 @@ jobs:
           docker buildx create --name insecure-builder --driver docker-container --config /tmp/buildkitd.toml --use
           docker buildx inspect --bootstrap
 
+      - name: Login to Gitea Container Registry
+        run: |
+          REGISTRY_URL=$(echo ${GITHUB_SERVER_URL} | sed 's|.*://||')
+          echo "${{ gitea.token }}" | docker login ${REGISTRY_URL} -u ${{ gitea.actor }} --password-stdin
+
       - name: Build and push images
         run: |
           BRANCH_TAG=$(echo ${GITHUB_REF_NAME} | sed 's/\//-/g')