VED-507:create terraform s3 state file

Author: Akol125

azure/templates/post-deploy.yml

@@ -60,6 +60,8 @@ steps:
         echo pr_no: $pr_no
 
           cd terraform
+        
+        aws s3 mb s3://immunisation-${workspace}-terraform-state-files --region eu-west-2 || true
 
         make init
         make apply environment=${{ parameters.aws_account_type }} sub_environment=$workspace