Update sonic-swss, sonic-utilities submodules

sonic-swss commits

5fbd113 [Flex-counters] Fix the delay of flex counters flow to prevent infinite loop (#1899)
dc685b6 [portsorch] Add an extra check before setting oper speed to APPL_DB (#1885)
ceef728 Update port_rates & rif_rates lua scripts to convert poll_interval to MS (#1855)

sonic-utilities commits

3160753 [ci]: Support PR coverage (#1806)
3316fdb fix wrong code indent in sfputil (#1808)
c33e3a8 [config reload] Fix config reload failure due to sonic.target job cancellation (#1814)
4f7e107 [portconfig] Validate duplicate speed value and interface type value (#1745)
59817e2 [warm-reboot] Add new preboot health check: verify database integrity (#1785)
bf2ff3c [portstat, intfstat] added rates and utilization (#1750)
3bf962c [show][platform] Revise chassis info fallback to only fall back on pmon crash (#1751)