[utilities]: Update sonic-utilities submodule

a099681 - [acl_loader]: Fix IP match bug for checking IP version (sonic-net#387)
83ec276 - [show command] allow warm restart table contains empty restore_count (sonic-net#385)
d0b8e3a - Log message during config load_minigraph/reload (sonic-net#376)
e948d02 - Optimize warm-reboot speed on dumping and rebooting (sonic-net#380)
1879fd0 - [warm reboot] unload kexec before rebooting and when error exiting from warm boot (sonic-net#383)
e3e82b1 - [reboot] update stop syncd process wording (sonic-net#382)

Signed-off-by: Shu0T1an ChenG <[email protected]>