message: kube-config - Remove unsupported Cluster fields
diff: @@ -52,16 +52,12 @@ pub struct NamedCluster {
  #[derive(Clone, Debug, Serialize, Deserialize)]
  pub struct Cluster {
  pub server: String,
  - #[serde(rename = "tls-server-name")]
  - pub tls_server_name: Option<String>,
  #[serde(rename = "insecure-skip-tls-verify")]
  pub insecure_skip_tls_verify: Option<bool>,
  #[serde(rename = "certificate-authority")]
  pub certificate_authority: Option<String>,
  #[serde(rename = "certificate-authority-data")]
  pub certificate_authority_data: Option<String>,
  - #[serde(rename = "proxy-url")]
  - pub proxy_url: Option<String>,
  pub extensions: Option<Vec<NamedExtension>>,
  }
  