fix: typo in TF json

Author: Lokiiiiii

src/sagemaker/image_uri_config/tensorflow.json

@@ -1465,7 +1465,7 @@
             "2.6": "2.6.3",
             "2.7": "2.7.1",
             "2.8": "2.8.0",
-            "2.9": "2.9.1",
+            "2.9": "2.9.1"
         },
         "versions": {
             "1.10.0": {