[docs] Update cinder-stable-maint description
The OpenStack stable-maint-core team has changed from having approval
over project stable core teams to having a consulting role by this
resolution:
@@ -78,8 +78,8 @@ individual members in your proposal email.
- where
* - cinder-stable-maint
- +2 powers on backports to stable branches
- - subset of cinder-core (subject to approval by stable-maint-core) plus
- the stable-maint-core team
+ - subset of cinder-core (selected in consultation with stable-maint-core)
+ plus the stable-maint-core team
- https://review.opendev.org/#/admin/groups/534,members
* - devstack-plugin-ceph-core
- +2 powers on the code repo for the Ceph devstack plugin
