[sonic-swss] Submodule update (sonic-net#9397)

691c37b [Route bulk] Fix bugs in case a SET operation follows a DEL operation in the same bulk (sonic-net/sonic-swss#2086)
a4c80c3 patch for issue sonic-net/sonic-swss#1971 - enable Rx Drop handling for cisco-8000 (sonic-net/sonic-swss#2041)
71751d1 [macsec] Support setting IPG by gearbox_config.json (sonic-net/sonic-swss#2051)
5d5c169 [bulk mode] Fix bulk conflict when in case there are both remove and set operations (sonic-net/sonic-swss#2071)
8bbdbd2 Fix SRV6 NHOP CRM object type (sonic-net/sonic-swss#2072)
ef5b35f [vstest] VS test failure fix after fabric port orch PR merge (sonic-net/sonic-swss#1811)
89ea538 Supply the missing ingress/egress port profile list in document (sonic-net/sonic-swss#2064)
8123437 [pfc_detect] fix RedisReply errors (sonic-net/sonic-swss#2040)
b38f527 [swss][CRM][MPLS] MPLS CRM Nexthop - switch back to using SAI OBJECT rather than SWITCH OBJECT
ae061e5 create debug_shell_enable config to enable debug shell (sonic-net/sonic-swss#2060)
45e446d [cbf] Fix max FC value (sonic-net/sonic-swss#2049)
b1b5b29 Initial p4orch pytest code. (sonic-net/sonic-swss#2054)
d352d5a Update default route status to state DB (sonic-net/sonic-swss#2009)
24a64d6 Orchagent: Integrate P4Orch (sonic-net/sonic-swss#2029)
15a3b6c Delete the IPv6 link-local Neighbor when ipv6 link-local mode is disabled (sonic-net/sonic-swss#1897)
ed783e1 [orchagent] Add trap flow counter support (sonic-net/sonic-swss#1951)
e9b05a3 [vnetorch] ECMP for vnet tunnel routes with endpoint health monitor (sonic-net/sonic-swss#1955)
bcb7d61 P4Orch: inital add of source (sonic-net/sonic-swss#1997)
f6f6f86 [mclaglink] fix acl out ports (sonic-net/sonic-swss#2026)
fd887bf [Reclaim buffer] Reclaim unused buffer for dynamic buffer model (sonic-net/sonic-swss#1910)
9258978 [orchagent, cfgmgr] Add response publisher and state recording (sonic-net/sonic-swss#1992)
3d862a7 Fixing subport vs test script for subport under VNET (sonic-net/sonic-swss#2048)
fb0a5fd Don't handle buffer pool watermark during warm reboot reconciling (sonic-net/sonic-swss#1987)
16d4bcd Routed subinterface enhancements (sonic-net/sonic-swss#1907)
9639db7 [vstest/subintf] Add vs test to validate sub interface ingress to a vnet (sonic-net/sonic-swss#1642)

Signed-off-by: Stephen Sun [email protected]