Force use system cert

Author: NickCao

action.yml

@@ -99,6 +99,7 @@ runs:
         . .venv/bin/activate
 
         export JUMPSTARTER_GRPC_INSECURE=1
+        export JUMPSTARTER_FORCE_SYSTEM_CERTS=1
 
         kubectl create -n default sa test-client-sa
         kubectl create -n default sa test-exporter-sa