Update category-trees_catalog.v3.yml

[olysenko]

[DEVDOCS-]

What changed?

• Clarified channel usage on category tree. Based on the current behaviour.

Send PUT request to catalog/trees

[
    {
        "id": {tree_id},
        "name": "koko",
        "channels": [100500] 
    }
]

Get response:

"0.channel_ids": "Channel cannot be updated",

Release notes draft

Anything else?

ping {names}