RaphSku

- [x] closes #48526 - [x] [Tests added and passed] - [x] All [code checks passed] - [x] Added an entry in the latest `doc/source/whatsnew/v1.6.0.rst` file if fixing a bug...

embedetcd: Allow passing in a *tls.Config object for the embedded ETCD Server

23

The idea is that not only paths to certificate file paths should be possible to define in `*embed.Config.ClientTLSInfo` and `*embed.Config.PeerTLSInfo` but also `*tls.Config` where the certificates could be generated programmatically....

docs: Added documentation for promtool configuration with http.config.file

5

Fixes #12924 - Included promtool configuration documentation - Added example how a basic http.config.file can look like

Updated shoot HA best practices doc page

3

**How to categorize this PR?** /area documentation /kind enhancement **What this PR does / why we need it**: I have updated the following two points in the shoot HA best...