[Submodule-Update] sonic-swss. Following changes:

 Enable m_isCombinedMirrorV6Table for BFN platform (sonic-net#1212)
[vnet]: Update VNET route table size to 40K for BITMAP implementation (sonic-net#1132)
 Default action for Egress ACL Table not poulated. (sonic-net#1208)
Add/Del lag_name_map item according to lag adding and removing (sonic-net#1124)
Increase ip2me CIR/CBR for faster in-band file transfers (sonic-net#1000)