helm中打包证书及密钥不安全

[jayl1e]

Describe the bug
公开可获取的包里不应该有密钥

To Reproduce
https://github.com/polarismesh/polaris-controller/blob/main/deploy/kubernetes_v1.22/helm/secrets/key.pem

Expected behavior
证书应该每次生成

Environment

Additional context
PR随后提交