[CoreWorker][deprecate run_function_on_all_workers 2/n] announcing de…

…precation of run_function_on_all_workers (#31528)

Warn user that run_function_on_all_workers will be deleted by Ray 2.4. Ray core no longer uses this function after #31383
Signed-off-by: Chen Shen <scv119@gmail.com>
Co-authored-by: Cade Daniel <edacih@gmail.com>

python/ray/_private/worker.py

@@ -687,7 +687,14 @@ def get_objects(self, object_refs: list, timeout: Optional[float] = None):
             debugger_breakpoint,
         )
 
-    @Deprecated
+    @Deprecated(
+        message="This function is deprecated and will be removed by Ray 2.4. "
+        "Please use Runtime Environments "
+        f"https://docs.ray.io/en/{get_ray_doc_version()}/ray-core"
+        "/handling-dependencies.html "
+        "to manage dependencies in workers.",
+        warning=True,
+    )
     def run_function_on_all_workers(self, function: callable):
         """This function has been deprecated given the following issues:
             - no guarantee that the function run before the remote function run.