remote_server: Remove dependency on libssl and libcrypto (#15446)

Fixes: #15599
Release Notes:

- N/A

---------

Co-authored-by: Mikayla <mikayla@zed.dev>
Co-authored-by: Conrad <conrad@zed.dev>

crates/extension/Cargo.toml

@@ -57,6 +57,7 @@ task.workspace = true
 serde_json_lenient.workspace = true
 
 [dev-dependencies]
+isahc_http_client.workspace = true
 ctor.workspace = true
 env_logger.workspace = true
 parking_lot.workspace = true