docs: Fix getting started guide to use Postgres and TLS #2185

Job	Run time
Check if committed Helm charts are up to date	51s
Check if committed README is the one we would render from the available parts	22s
Run Cargo Deny (advisories)	43s
Run Clippy	25s
Run Cargo Deny (bans licenses sources)	39s
Run RustDoc	1m 15s
Run Rustfmt	10s
Run Cargo Tests	37s
Run Cargo Udeps	1m 29s
Select target helm repository based on action trigger	1s
All tests passed	1s
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	40s
Run the OpenShift Preflight check on the published images	18s
	28m 49s

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