docs: document `action` RBAC action and application resource path (#8413)
docs: document `action` RBAC action and application resource path (#8413)

Signed-off-by: Marguerite des Trois Maisons <937c01a0433fa5e832fcc2122fe8e4b890e2f49a@pagerduty.com>

Co-authored-by: Michael Crenshaw <17b9e1c64588c7fa6419b4d29dc1f4426279ba01@crenshaw.dev>
argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd