[sonic-utilities] update sonic-utilities submodule (sonic-net#7481)

08337aa [sonic-package-manager] first phase implementation of sonic-package-manager (sonic-net#1527)
c166f66 [multi-asic] support show ip bgp neigh/network for multi asic (sonic-net#1574)

Signed-off-by: Stepan Blyschak <[email protected]>

Author: stepanblyschak