Werk #16066: Add more host labels for agent based discovery on Linux

Component	Core & setup
Title	Add more host labels for agent based discovery on Linux
Date	Oct 24, 2023
Level	Trivial Change
Class	New Feature
Compatibility	Incompatible - Manual interaction might be required
Checkmk versions & editions	2.3.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Werk #11742 introduced the agent based discovery of host labels. We now added the following labels for the Linux agent (example for Ubuntu):

• "cmk/os_type:linux"
• "cmk/os_platform:ubuntu"
• "cmk/os_name:Ubuntu"
• "cmk/os_version:22.04"

To the list of all Werks