cannot marshal secrets passed in yaml file correctly

[jiangpengcheng]

with below format secrets in a yaml file:

---
secrets:
 snowflake:
   path: "devint-snowflake-gmbx"
   key: "password"
 questionPro:
   path: "questionpro-cx-api-key"
   key: "api_key"

it will reports below error when creating function:

❯ pulsarctl functions create --jar function://public/default/java-function@1.0 --name package-java-fn --classname org.apache.pulsar.functions.api.examples.ExclamationFunction --inputs persistent://public/default/package-java-fn-input --output persistent://public/default/java-function@1.0 --cpu 0.1 --function-config-file test.yaml
error: json: unsupported type: map[interface {}]interface {}
[✖]  json: unsupported type: map[interface {}]interface {}