fix: configure Docker daemon for insecure HTTP registry before login

.gitea/workflows/build-push.yaml

@@ -33,10 +33,18 @@ jobs:
           username: ${{ vars.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Configure Docker for insecure registry
+        if: github.event_name != 'pull_request'
+        run: |
+          sudo mkdir -p /etc/docker
+          echo '{"insecure-registries": ["${{ env.REGISTRY_HOST }}"]}' | sudo tee /etc/docker/daemon.json
+          sudo systemctl restart docker || sudo service docker restart || true
+          sleep 2
+
       - name: Login to Gitea Registry
         if: github.event_name != 'pull_request'
         run: |
-          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login ${{ env.REGISTRY_HOST }} -u ${{ secrets.REGISTRY_USER }} --password-stdin 2>/dev/null || true
+          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login ${{ env.REGISTRY_HOST }} -u ${{ secrets.REGISTRY_USER }} --password-stdin
 
       - name: Extract metadata
         id: meta