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

Cargo.toml

@@ -465,7 +465,7 @@ runtimelib = { version = "0.25.0", default-features = false, features = [
 rustc-demangle = "0.1.23"
 rust-embed = { version = "8.4", features = ["include-exclude"] }
 rustc-hash = "2.1.0"
-rustls = { version = "0.23.22", features = ["ring"] }
+rustls = "0.21.12"
 rustls-native-certs = "0.8.0"
 schemars = { version = "0.8", features = ["impl_json_schema", "indexmap2"] }
 semver = "1.0"
@@ -606,7 +606,6 @@ features = [
 # TODO livekit https://github.com/RustAudio/cpal/pull/891
 [patch.crates-io]
 cpal = { git = "https://github.com/zed-industries/cpal", rev = "fd8bc2fd39f1f5fdee5a0690656caff9a26d9d50" }
-real-async-tls = { git = "https://github.com/zed-industries/async-tls", rev = "1e759a4b5e370f87dc15e40756ac4f8815b61d9d", package = "async-tls"}
 
 [profile.dev]
 split-debuginfo = "unpacked"