fix package_version_regression (#5159)

Author: junpuf

pytorch/training/docker/2.7/py3/Dockerfile.sagemaker.cpu.core_packages.json

@@ -64,5 +64,8 @@
   },
   "opencv-python": {
     "version_specifier": "==4.11.0.86"
+  },
+  "sagemaker-pytorch-training": {
+    "version_specifier": ">=2.9.0,<3"
   }
 }

pytorch/training/docker/2.7/py3/cu128/Dockerfile.sagemaker.gpu.core_packages.json

@@ -71,5 +71,8 @@
   },
    "awscli": {
     "version_specifier": "<2"
+  },
+  "sagemaker-pytorch-training": {
+    "version_specifier": ">=2.9.0,<3"
   }
 }