[Release-1.27] - Add client-supervior.crt and client-supervior.key to the rotation list

[brandond]

Backport fix for Add client-supervior.crt and client-supervior.key to the rotation list

• Add client-supervior.crt and client-supervior.key to the rotation list #9831

[ShylajaDevadiga]

Validated using latest commit id 2d48b19 on release-1.27 branch

Environment Details
Infrastructure
Cloud EC2 instance

Node(s) CPU architecture, OS, and Version:

cat /etc/os-release
NAME="SLES"
VERSION="15-SP5"
VERSION_ID="15.5"
PRETTY_NAME="SUSE Linux Enterprise Server 15 SP5"

Cluster Configuration:
Single node

Config.yaml:

cat /etc/rancher/k3s/config,yaml
write-kubeconfig-mode: "0644"
cluster-init: true
secrets-encryption: true

**Steps to reproduce the issue and validate**

1. Install rke2
2. Run rke2 certificate rotate
3. Restart rke2 service
4. Check certs rotated

**Replication results: **

> sudo diff -sr /var/lib/rancher/k3s/server/tls/ /var/lib/rancher/k3s/server/tls-1712959418/| grep -i identical |grep supervisor
Files /var/lib/rancher/k3s/server/tls/client-supervisor.crt and /var/lib/rancher/k3s/server/tls-1712959418/client-supervisor.crt are identical
Files /var/lib/rancher/k3s/server/tls/client-supervisor.key and /var/lib/rancher/k3s/server/tls-1712959418/client-supervisor.key are identical
ec2-user@ip-172-31-6-177:~> 

** Validattion results: **

ec2-user@ip-172-31-6-177:~> sudo diff -sr /var/lib/rancher/k3s/server/tls/ /var/lib/rancher/k3s/server/tls-1712958657/| grep -i identical |grep supervisor
ec2-user@ip-172-31-6-177:~>