test: Remove ZooKeeper 3.9.2 #2109

Job	Run time
Run Rustfmt	23s
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Run Cargo Udeps	2m 6s
Run Cargo Deny (advisories)	25s
Run Cargo Deny (bans licenses sources)	24s
Run Cargo Tests	32s
Run RustDoc	1m 19s
Check if committed README is the one we would render from the available parts	24s
Check if committed Helm charts are up to date	53s
Run Clippy	28s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 47s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	11m 0s
Build and publish manifest list	37s
Run the OpenShift Preflight check on the published images	17s
	30m 39s

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