feat: improve external gPRC ca example

jincong8973 · jincong8973 · commit 815da212336a · 2025-07-07T20:05:23.000+08:00
diff --git a/cluster-autoscaler/cloudprovider/externalgrpc/examples/certmanager-manifests/ca.yaml b/cluster-autoscaler/cloudprovider/externalgrpc/examples/certmanager-manifests/ca.yaml
@@ -7,6 +7,7 @@ spec:
   isCA: true
   commonName: selfsigned-ca
   secretName: ca-root-secret
+  duration: 87600h
   privateKey:
     algorithm: ECDSA
     size: 256
