Bump etcd to v3.5.9

[brandond]

There's a new version of etcd available. We should use it.

Cannot be backported beyond v1.26 due to #7173 (comment)

[bguzman-3pillar]

Validated on commit 206898e

k3s version v1.27.5+k3s-206898e2 (206898e2)
go version go1.20.7

Environment Details

Infrastructure

• Cloud
• Hosted

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

Rhel9

Cluster Configuration:

1 server

Config.yaml:

write-kubeconfig-mode: 644
debug: true
cluster-init: true

Testing Steps

1. Copy config.yaml

$ sudo mkdir -p /etc/rancher/k3s && sudo cp config.yaml /etc/rancher/k3s

2. Install k3s
3. Check etcd version

Validation Results:

Command:
sudo journalctl -u k3s | grep 'etcd-version' | awk -F'"' '{ for(i=1; i<=NF; ++i) if($i == "etcd-version") print $(i+2) }' 
---------------------
Assertion:
3.5.9
----------------------
Matched with result:
3.5.9