chore: Add support Superset 6.0.0-rc2 (#680) #2263

Job	Run time
Run Cargo Udeps	1m 47s
Run Cargo Deny (bans licenses sources)	46s
Run Cargo Deny (advisories)	41s
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Run Rustfmt	15s
Run Clippy	37s
Run RustDoc	1m 16s
Check if committed README is the one we would render from the available parts	24s
Run Cargo Tests	37s
Check if committed Helm charts are up to date	41s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 7s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 11s
Build and publish manifest list	45s
Run the OpenShift Preflight check on the published images	19s
	29m 30s

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