chore(workflow): add traefik ingressClass enable

Author: duanhongyi

_scripts/install.sh

@@ -146,7 +146,12 @@ configInline:
      addresses:
      - ${METALLB_ADDRESS_POOLS:-172.16.0.0/12}
 EOF
-  helm install traefik drycc/traefik --namespace traefik --create-namespace --set ssl.enabled=true --wait
+  helm install traefik drycc/traefik \
+    --set ssl.enabled=true \
+    --set ingressClass.enabled=true \
+    --set ingressClass.isDefaultClass=true \
+    --namespace traefik \
+    --create-namespace --wait
   helm install cert-manager drycc/cert-manager --namespace cert-manager --create-namespace --set installCRDs=true --wait
   helm install catalog drycc/catalog \
     --set asyncBindingOperationsEnabled=true \