pin to last working version

Author: ramsessanchez

.azure-pipelines/common-templates/install-tools.yml

@@ -34,7 +34,7 @@ steps:
     displayName: Install AutoRest
     inputs:
       command: custom
-      customCommand: install -g autorest@3.7.1
+      customCommand: install -g autorest@3.7.2
 
   - task: Npm@1
     displayName: Install AutorestCore