[submodule]: update submodule head for sonic-swss (#7187)

[SFlowMgr] Sflow Crash on 200G ports handled (#1683)
Remove PGs from an administratively down port. (#1677)
Stablize the test case (#1679)
Revert "Revert "[buffermgr] Support maximum port headroom checking (#1607)" (#1675)" (#1682)

Signed-off-by: Stephen Sun <stephens@nvidia.com>