Merge remote-tracking branch 'yggdrasil-openwrt/yggdrasil-for-23.05' into openwrt...

Merge remote-tracking branch 'yggdrasil-openwrt/yggdrasil-for-23.05' into openwrt-23.05

[23.05] yggdrasil: overhaul package with netifd support

Compile tested: none, see below
Run tested: all package compiling and qa testing done in snapshots
Description: we must backport v0.5 into 23.05 because the breaking protocol situation with v.0.4. the counterpart package, luci-proto-yggdrasil is already in 23.05 feeds.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>