odhcpd: update to Git HEAD (2025-12-04)

odhcpd: update to Git HEAD (2025-12-04)

63f040e88b12 formal: fix workflow permissions
d970ae0ca4a3 router: improve RA PIO search logic
8fde62a82bdd router: rename router_clear_ra_pio
8b26b0124aed router: remove duplicated PIOs
d354ebb66cdc router: optimize duplicated PIO comparison
79252ed0c0c2 router: skip if branch in PIO clear functions

https://github.com/openwrt/odhcpd/compare/6fbd70c08342...79252ed0c0c2

Signed-off-by: Goetz Goerisch <ggoerisch@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21055
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>