Update models.json (#31684)

Automated update of models.json.

---------

Co-authored-by: sayan-oai <244841968+sayan-oai@users.noreply.github.com>
Co-authored-by: sayan-oai <sayan@openai.com>

codex-rs/core/src/agent/control_tests.rs

@@ -51,9 +51,13 @@ use tokio::time::timeout;
 use toml::Value as TomlValue;
 
 async fn test_config_with_cli_overrides(
-    cli_overrides: Vec<(String, TomlValue)>,
+    mut cli_overrides: Vec<(String, TomlValue)>,
 ) -> (TempDir, Config) {
     let home = TempDir::new().expect("create temp dir");
+    cli_overrides.push((
+        "model".to_string(),
+        TomlValue::String("gpt-5.5".to_string()),
+    ));
     let config = ConfigBuilder::without_managed_config_for_tests()
         .codex_home(home.path().to_path_buf())
         .cli_overrides(cli_overrides)