Doc: Update cvp version support for schedule option (#546)

* Doc: added cvp version for schedule option in cv_change_control_v3

* adding changes in the correct readme file

* Apply suggestions from code review

ansible_collections/arista/cvp/README.md

@@ -85,6 +85,8 @@ This repository provides content for Ansible's collection **arista.cvp** with fo
 - [**arista.cvp.cv_task_v3**](docs/modules/cv_task_v3.rst/) - Run tasks created on CVP.
 - [**arista.cvp.cv_facts_v3**](docs/modules/cv_facts_v3.rst/) - Collect information from CloudVision.
 - [**arista.cvp.cv_image_v3**](https://cvp.avd.sh/en/latest/docs/modules/cv_image_v3.rst/) - Create EOS images and bundles on CloudVision.
+- [**arista.cvp.cv_tag_v3**](https://cvp.avd.sh/en/latest/docs/modules/cv_tag_v3.rst/) - Create, delete, assign and unassign tags on CloudVision.
+- [**arista.cvp.cv_change_control_v3**](https://cvp.avd.sh/en/latest/docs/modules/cv_change_control_v3.rst/) - Manage change controls on CloudVision.
 
 ### List of available roles
 

ansible_collections/arista/cvp/docs/how-to/v3/cv_change_control_v3.md

@@ -18,9 +18,9 @@
   - `state: approve`: Approve Change control
   - `state: unapprove`: Unpprove Change control
   - `state: execute`: Execute Change control
-  - `state: schedule`: Schedule Change control
+  - `state: schedule`: Schedule Change control (available only on CVP 2022.1.0 and newer or CVaaS)
   - `state: approve_and_execute`: Approve and Execute Change control
-  - `state: schedule_and_approve`: Schedule and Approve Change control
+  - `state: schedule_and_approve`: Schedule and Approve Change control (available only on CVP 2022.1.0 and newer or CVaaS)
 - `change`: A dict, with the structure of the change. The change dict is structured as follows:
 
 ```yaml