[Submodule update] sonic-swss

Avoid adding loopback interface (ip link add) when setting nat zone on
loopback interface (sonic-net#1434)
    [acl] Remove Ethertype from L3V6 qualifiers (sonic-net#1433)
    Sflow fixes during DEL processing (sonic-net#1427)
    Fix #3971 by skipping create-only SAI attributes when modifying
    buffer pools or profiles in orchagent (sonic-net#1430)
    Fix issue: bufferorch only pass the first attribute to sai when
    setting attribute (sonic-net#1442)

Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>