docs: clarify Hive 4 support #2084

Job	Run time
Run Cargo Udeps	2m 4s
Decide if Helm charts are pushed to the helm repository based on action trigger	4s
Run Cargo Deny (advisories)	52s
Run Rustfmt	17s
Run Cargo Deny (bans licenses sources)	51s
Run Clippy	31s
Run Cargo Tests	33s
Run RustDoc	1m 16s
Check if committed Helm charts are up to date	43s
Check if committed README is the one we would render from the available parts	27s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubuntu-latest	5m 50s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	5m 28s
Build and publish manifest list	0s
Run the OpenShift Preflight check on the published images	0s
	18m 58s

Provide feedback