[swss]: Update sonic-swss submodule (#2935)

[vlan] Add pytest case to add max vlan. (#881)
[badge]: add vs build badge (#898)
Fix PFC watchdog not getting lossless TC (#876)
[vstest]: skip test_AddMaxVlan as it takes almost two hours to finish (#901)
[test]: Enforce fake port-channel interfaces carrier up

Signed-off-by: Shu0T1an ChenG <shuche@microsoft.com>