update samples from Release-153 as a part of SDK release

update samples from Release-152 as a part of  SDK release

how-to-use-azureml/ml-frameworks/chainer/train-hyperparameter-tune-deploy-with-chainer/train-hyperparameter-tune-deploy-with-chainer.ipynb

@@ -554,7 +554,7 @@
         "cd = CondaDependencies.create()\n",
         "cd.add_conda_package('numpy')\n",
         "cd.add_pip_package('chainer==5.1.0')\n",
-        "cd.add_pip_package(\"azureml-defaults\")\n",
+        "cd.add_pip_package(\"azureml-defaults==1.43.0\")\n",
         "cd.add_pip_package(\"azureml-opendatasets\")\n",
         "cd.save_to_file(base_directory='./', conda_file_path='myenv.yml')\n",
         "\n",

how-to-use-azureml/ml-frameworks/pytorch/train-hyperparameter-tune-deploy-with-pytorch/train-hyperparameter-tune-deploy-with-pytorch.ipynb

@@ -264,7 +264,7 @@
         "- python=3.6.2\n",
         "- pip=21.3.1\n",
         "- pip:\n",
-        "  - azureml-defaults\n",
+        "  - azureml-defaults==1.43.0\n",
         "  - torch==1.6.0\n",
         "  - torchvision==0.7.0\n",
         "  - future==0.17.1\n",
@@ -539,7 +539,7 @@
       "metadata": {},
       "source": [
         "## Deploy model as web service\n",
-        "Once you have your trained model, you can deploy the model on Azure. In this tutorial, we will deploy the model as a web service in [Azure Container Instances](https://docs.microsoft.com/en-us/azure/container-instances/) (ACI). For more information on deploying models using Azure ML, refer [here](https://docs.microsoft.com/azure/machine-learning/service/how-to-deploy-and-where)."
+        "Once you have your trained model, you can deploy the model on Azure. In this tutorial, we will deploy the model as a web service in [Azure Container Instances](https://docs.microsoft.com/en-us/azure/container-instances/) (ACI). For more information on deploying models using Azure ML, refer [here](https://docs.microsoft.com/en-us/azure/machine-learning/v1/how-to-deploy-and-where)."
       ]
     },
     {