ACI: Support validate_certs, use_ssl and use_proxy (#35146)

This PR includes:
- validate_certs, use_ssl and use_proxy support for the integration
  tests

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

@@ -13,7 +13,9 @@
     host: "{{ aci_hostname }}"
     username: "{{ aci_username }}"
     password: "{{ aci_password }}"
-    validate_certs: no
+    validate_certs: '{{ aci_validate_certs | default(false) }}'
+    use_ssl: '{{ aci_use_ssl | default(true) }}'
+    use_proxy: '{{ aci_use_proxy | default(true) }}'
     state: present
     tenant: anstest
   register: tenant_present