[202012] [submodule] Update sonic-swss pointer (#9848)

[buffer orch] Bugfix: Don't query counter SAI_BUFFER_POOL_STAT_XOFF_ROOM_WATERMARK_BYTES on a pool where it is not supported (#1857) (#2106)

Signed-off-by: Volodymyr Samotiy <[email protected]>

Author: volodymyrsamotiy