[sonic-utilities] update sonic-utilities submodule (#9268)

a3e34e3 [Auto Techsupport] Event driven Techsupport Changes (#1796)
efa2ff6 [show][platform summary] Add chassis type in the platform summary output(#1922)
a39350c [aclshow] enhance ACL counters to work with FC infrastructure (#1858)
ed88013 [sonic-package-manager] fix registry requests failing when no service field in Bearer fields (#1921)
00b6045 [VS test] Increase test timeout (#1924)