Removing leftover storage account from test (ansible-collections#1449)

Last account is not cleaned up properly after test runs. This probably
is masked if you re-create the resource group every time.

Signed-off-by: Jorge Gallegos <jgallego@redhat.com>

tests/integration/targets/azure_rm_storageaccount/tasks/main.yml

@@ -601,3 +601,4 @@
     - "{{ storage_account_name_default }}03"
     - "{{ storage_account_name_default }}04"
     - "{{ storage_account_name_default }}05"
+    - "{{ storage_account_name_default }}06"