dhcpcd: upgrade 10.0.4 -> 10.0.5

dhcpcd: upgrade 10.0.4 -> 10.0.5

Changelog:
==========
DHCP: re-enter DISCOVER phase if server doesn't reply to our REQUEST
privsep: Allow __NR_dup3 syscall as some libc's use that instead of the dup2 dhcpcd uses
dev: Fix an issue where not opening the dev plugin folder if configured returned the wrong fd
privsep: Harden the launcher process detecting daemonisation.
compat: arc4random uses explicit_bzero if available

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>