helm中打包证书及密钥不安全

**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
