changed collection arg to argregate on 2.4 network modules (#26649)

* changed collection arg to argregate on 2.4 network modules

* replace users with aggregate in eos_user, junos_user, nxos_user

* added version_added to places where we replaced users with aggregate in the docs

* fix ios_static_route test

* update tests to reference aggregate instead of collection/users

lib/ansible/modules/network/junos/junos_interface.py

@@ -61,11 +61,11 @@ options:
   rx_rate:
     description:
       - Receiver rate.
-  collection:
+  aggregate:
     description: List of Interfaces definitions.
   purge:
     description:
-      - Purge Interfaces not defined in the collections parameter.
+      - Purge Interfaces not defined in the aggregates parameter.
         This applies only for logical interface.
     default: no
   state:
@@ -179,7 +179,7 @@ def main():
         duplex=dict(choices=['full', 'half', 'auto']),
         tx_rate=dict(),
         rx_rate=dict(),
-        collection=dict(),
+        aggregate=dict(),
         purge=dict(default=False, type='bool'),
         state=dict(default='present',
                    choices=['present', 'absent', 'up', 'down']),