Fix cli_command junos test failure and update doc (#44021)

* Fix cli_command junos test failure and update doc

*  Fix cli_command module integration test failure
   for junos
*  Update cli_command module doc for prompt and
   config command run scenario's

* Update cli_command module doc

lib/ansible/modules/network/cli/cli_command.py

@@ -57,6 +57,17 @@ EXAMPLES = """
     command: commit replace
     prompt: This commit will replace or remove the entire running configuration
     answer: yes
+
+- name: run config mode command and handle prompt/answer
+  cli_command:
+    command: "{{ item }}"
+    prompt:
+      - "Exit with uncommitted changes"
+    answer: yes
+  loop:
+    - configure
+    - set system syslog file test any any
+    - exit
 """
 
 RETURN = """