[submodule] advance sonic-utilities (#8695)

To include sonic_installer swap setup changes

171eb4f [sonic_installer] Add swap setup support (#1787)
6483b0b QOS fieldvalue refernce ABNF format to string (#1626)
8d16eb5 [Fast-reboot] Set flex counters delay indicator to prevent flex counters enablement after fast-reboot (#1768)
1bc24ca [portstat pfcstat] Unify the packet number format in the output of portstat and pfcstat in all cases (#1755)
d7900dd [config][generic-update] Implementing patch sorting (2nd attempt) (#1794)
7ed9a91 [show] Allow system with no ports in config db run without errors (#1754)

Signed-off-by: Longxiang Lyu <[email protected]>

Author: lolyu