Update ADC installation to use specific version and verify output

helm/api7ee-demo-k8s/templates/job-adc-sync.yaml

@@ -69,14 +69,19 @@ spec:
 
               # Download and install ADC binary
               echo "Downloading ADC binary..."
-              curl -sL "https://run.api7.ai/adc/install" | sh
+              ADC_VERSION="v0.21.0"
+              curl -sL "https://github.com/api7/adc/releases/download/${ADC_VERSION}/adc_${ADC_VERSION#v}_linux_amd64.tar.gz" -o /tmp/adc.tar.gz
+              tar -zxf /tmp/adc.tar.gz -C /tmp/
+              chmod +x /tmp/adc
+              mv /tmp/adc /usr/local/bin/adc
+              rm -f /tmp/adc.tar.gz
 
               # Verify ADC installation
               if ! command -v adc &> /dev/null; then
                 echo "ERROR: ADC installation failed"
                 exit 1
               fi
-              echo "ADC installed successfully"
+              echo "ADC installed successfully: $(adc version 2>/dev/null || echo ${ADC_VERSION})"
 
               # Wait for API7 Gateway to be ready
               echo "Waiting for API7 Gateway to be available..."