Save commit_timeout as string in junos_config (#24761)

Fix converts commit_timeout to string as
Elementree.SubElement requires text as string.

Fixes #24611

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/module_utils/junos.py

@@ -138,7 +138,7 @@ def commit_configuration(module, confirm=False, check=False, comment=None, confi
         subele.text = str(comment)
     if confirm_timeout:
         subele = SubElement(obj, 'confirm-timeout')
-        subele.text = int(confirm_timeout)
+        subele.text = str(confirm_timeout)
     return send_request(module, obj)
 
 def command(module, command, format='text', rpc_only=False):