[monarch][ez] MONARCH_HYPERACTOR_UNAWAITED_PYTOKIO_TRACEBACK --> MONARCH_HYPERACTOR_ENABLE_UNAWAITED_PYTHON_TASK_TRACEBACK

Rename the environment variable

Differential Revision: [D85899714](https://our.internmc.facebook.com/intern/diff/D85899714/)

**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D85899714/)!

ghstack-source-id: 319913486
Pull Request resolved: #1718

Author: samlurye

monarch_hyperactor/src/pytokio.rs

@@ -37,14 +37,14 @@ declare_attrs! {
     /// If true, when a pytokio PythonTask fails, the traceback of the original callsite
     /// will be logged.
     @meta(CONFIG = ConfigAttr {
-        env_name: Some("MONARCH_HYPERACTOR_UNAWAITED_PYTOKIO_TRACEBACK".to_string()),
-        py_name: Some("unawaited_pytokio_traceback".to_string()),
+        env_name: Some("MONARCH_HYPERACTOR_ENABLE_UNAWAITED_PYTHON_TASK_TRACEBACK".to_string()),
+        py_name: Some("enable_unawaited_python_task_traceback".to_string()),
     })
-    pub attr UNAWAITED_PYTOKIO_TRACEBACK: u8 = 0;
+    pub attr ENABLE_UNAWAITED_PYTHON_TASK_TRACEBACK: u8 = 0;
 }
 
 fn current_traceback() -> PyResult<Option<PyObject>> {
-    if config::global::get(UNAWAITED_PYTOKIO_TRACEBACK) != 0 {
+    if config::global::get(ENABLE_UNAWAITED_PYTHON_TASK_TRACEBACK) != 0 {
         Python::with_gil(|py| {
             Ok(Some(
                 py.import("traceback")?
@@ -242,7 +242,7 @@ fn send_result(
                 let tb = if let Some(tb) = traceback {
                     format_traceback(py, &tb).unwrap()
                 } else {
-                    "None (run with `MONARCH_HYPERACTOR_UNAWAITED_PYTOKIO_TRACEBACK=1` to see a traceback here)\n".into()
+                    "None (run with `MONARCH_HYPERACTOR_ENABLE_UNAWAITED_PYTHON_TASK_TRACEBACK=1` to see a traceback here)\n".into()
                 };
                 tracing::error!(
                     "PythonTask errored but is not being awaited; this will not crash your program, but indicates that \