unetd: update to Git HEAD (2025-02-28)

unetd: update to Git HEAD (2025-02-28)

75a236be122a service: add missing null pointer check
f5341f327539 ubus: add api for generating and validating security tokens
3fab99eab4d5 add udebug support
28d86bd30e97 pex: only respond to update requests when we have network data
8e6f37cc361e pex-msg: ignore no-data responses if version is zero
12e6cf7f63e1 pex: create pex host from update responses
edc8fdae463a ubus: show the local addresses in network status

Signed-off-by: Felix Fietkau <nbd@nbd.name>