bump mlx to 0.17.3, bump mlx-lm to 0.18.2

setup.py

@@ -35,8 +35,8 @@ install_requires = [
 # Add macOS-specific packages if on Darwin (macOS)
 if sys.platform.startswith("darwin"):
   install_requires.extend([
-    "mlx==0.17.1",
-    "mlx-lm==0.17.0",
+    "mlx==0.17.3",
+    "mlx-lm==0.18.2",
   ])
 
 extras_require = {