[submodule]: update sonic-swss

* f4e8245 2021-01-24 | [fpmsyncd] Skip routes to eth0 or docker0 (sonic-net#1606) (HEAD, origin/master, origin/HEAD) [Shi Su]
* f4c3579 2021-01-23 | Enhance dynamic buffer calculation and bug fixes (sonic-net#1601) [Stephen Sun]
* e800c9f 2021-01-22 | [logfile]: Add option to specify swss rec file name (sonic-net#1546) [arlakshm]
* 1acf60e 2021-01-17 | Implementation of System ports initialization, Interface & Neighbor Synchronization... (sonic-net#1431) [minionatwork]

Signed-off-by: Guohan Lu <lguohan@gmail.com>