Azure CLI install latest version in sanity workflows (#3642)

* checking AZ CLI version in ml ext installation workflow

* adding latest version of az cli

* adding latest version of az cli via url

Author: kshitij-microsoft

.github/workflows/cli-basic-installation-basic-installation.yml

@@ -27,6 +27,11 @@ jobs:
     steps:
     - name: check out repo
       uses: actions/checkout@v2
+    - name: Install latest Azure CLI
+      run: |
+        curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash
+    - name: Check Azure CLI version
+      run: az --version
     - name: azure login
       uses: azure/login@v1
       with: