docs: document talosctl version for upgrades

Use same version as running cluster.

Signed-off-by: Alex Corcoles <alex@corcoles.net>
Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
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Alex Corcoles 2023-05-30 22:13:03 +02:00 committed by Andrey Smirnov
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@ -162,3 +162,7 @@ If running a single-node cluster, and you want to force an upgrade despite the l
Nothing prevents the user from sending near-simultaneous upgrades to each node of the cluster - and while Talos Linux and Kubernetes can generally deal with this situation, other components of the cluster may not be able to recover from more than one node rebooting at a time.
(e.g. any software that maintains a quorum or state across nodes, such as Rook/Ceph)
**Q.** Which version of `talosctl` should I use to update a cluster?
**A.** We recommend using the version that matches the current running version of the cluster.