Revert "Upgrade to rustls v0.23.22" (#24197)

Reverts zed-industries/zed#24138

Nightly build failed, I believe because of this.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95189


![image](https://github.com/user-attachments/assets/8121dfb7-4ae7-4efb-8625-f07967640620)

CC: @ConradIrwin 

Release Notes:

- N/A

crates/client/src/client.rs

@@ -146,8 +146,6 @@ pub fn init_settings(cx: &mut App) {
 }
 
 pub fn init(client: &Arc<Client>, cx: &mut App) {
-    let _ = rustls::crypto::ring::default_provider().install_default();
-
     let client = Arc::downgrade(client);
     cx.on_action({
         let client = client.clone();
@@ -1133,8 +1131,15 @@ impl Client {
                         for error in root_certs.errors {
                             log::warn!("error loading native certs: {:?}", error);
                         }
-                        root_store.add_parsable_certificates(root_certs.certs);
+                        root_store.add_parsable_certificates(
+                            &root_certs
+                                .certs
+                                .into_iter()
+                                .map(|cert| cert.as_ref().to_owned())
+                                .collect::<Vec<_>>(),
+                        );
                         rustls::ClientConfig::builder()
+                            .with_safe_defaults()
                             .with_root_certificates(root_store)
                             .with_no_client_auth()
                     };