ios integration tests to network_cli (#33920)

* Preliminary steps

* Fix Python3 network_cli ios

* Add connection to debug strings

* Fix ios confirm prompt by way of optional newline

Also update ios_user delete tests

test/integration/targets/prepare_ios_tests/tasks/main.yml

@@ -3,7 +3,8 @@
 - name: Ensure we have loopback 888 for testing
   ios_config:
     src: config.j2
-    authorize: yes
+  connection: network_cli
+  become: yes
 
 # Some AWS hostnames can be longer than those allowed by the system we are testing
 # Truncate the hostname