arista-switch: Fix eos_config call

eos_config does not support provider, nor connection: local from at
least 2022 [1] - since ansible>=7 (ansible-core 2.14).

[1]: https://github.com/ansible-collections/arista.eos/commit/588d94b2ed22817b63f996187e7d757d3ebad725

Closes-Bug: #2058365
Change-Id: Ief37b7bee758e34dddb881a9e68728013861c0ec

ansible/inventory/group_vars/all/switches/arista

----
-# Switch configuration.
-
-###############################################################################
-# Authentication configuration.
-
-# For Arista switches, this defines a 'provider' argument to the eos_*
-# modules.
-switch_arista_provider:
-  host: "{{ ansible_host }}"
-  username: "{{ ansible_user }}"
-  password: "{{ ansible_ssh_pass }}"
-  transport: cli
-  authorize: yes
-  auth_pass: "{{ switch_auth_pass }}"
-  timeout: "{{ switch_arista_timeout }}"
-
-###############################################################################
-# Timeout in seconds for completion of the switch config as a transaction
-switch_arista_timeout: 60
-
-...

ansible/roles/arista-switch/tasks/main.yml

 ---
 - name: Ensure Arista switches are configured
-  local_action:
-    module: eos_config
-    provider: "{{ arista_switch_provider }}"
+  eos_config:
     src: arista-config.j2

doc/source/configuration/reference/physical-network.rst

@@ -193,16 +193,13 @@ modules.
 
 ``switch_type`` should be set to ``arista``.
 
-Provider
-^^^^^^^^
-
 * ``ansible_host`` is the hostname or IP address.  Optional.
-
 * ``ansible_user`` is the SSH username.
-
 * ``ansible_ssh_pass`` is the SSH password.
-
-* ``switch_auth_pass`` is the 'enable' password.
+* ``ansible_connection`` should be ``ansible.netcommon.network_cli``.
+* ``ansible_network_os`` should be ``arista.eos.eos``.
+* ``ansible_become`` should be ``true``.
+* ``ansible_become_method`` should be ``enable``.
 
 Cumulus Linux (with NCLU)
 -------------------------

releasenotes/notes/bug-2058365-a9acdb3cdf2a29f9.yaml

+---
+fixes:
+  - |
+    ``eos_config`` does not support the ``provider`` parameter since Ansible 7.
+    Users are required to update their configuration according to `Arista EOS
+    documentation
+    <https://docs.openstack.org/kayobe/latest/configuration/reference/physical-network.html#arista-eos>`_.