fix: Add PyTorch 2.1.0 SM Training DLC to UNSUPPORTED_DLC_IMAGE_FOR_SM_PARALLELISM list (aws#4356)

* add 2.1 unsupported smddp

* formatting

Author: sirutBuasai

src/sagemaker/estimator.py

@@ -3282,7 +3282,11 @@ class Framework(EstimatorBase):
     """
 
     _framework_name = None
-    UNSUPPORTED_DLC_IMAGE_FOR_SM_PARALLELISM = ("2.0.1-gpu-py310-cu121", "2.0-gpu-py310-cu121")
+    UNSUPPORTED_DLC_IMAGE_FOR_SM_PARALLELISM = (
+        "2.0.1-gpu-py310-cu121",
+        "2.0-gpu-py310-cu121",
+        "2.1.0-gpu-py310",
+    )
 
     def __init__(
         self,