[submodule] Update sonic-swss submodule (#5825)

62e6c5a [bitmap_vnet] Remove BMTOR implementation (#1494)
582beae [FPMSYNCD] EVPN Type5 prefix handling in FPMSYNCD (#1326)
d9ca6e2 [vstest] Resolve intermittent timing failure in test_fgnhg.py (#1495)
a89b8ed [sub intf] Inherit parent port mtu changes (#1479)

Signed-off-by: Volodymyr Samotiy <volodymyrs@nvidia.com>