[swss-common]: Advance submodule (#5780)

9b0e955 2020-10-30 | [schema]: Add MACsec support (#403) [Ze Gan]
f24dc97 2020-10-28 | Implementation of System ports initialization, Interface & Neighbor Synchronization... (#380) [minionatwork]
91e0885 2020-10-27 | Mux cable schema definitions (#398) [Prince Sunny]
d0cedea 2020-10-27 | Change log level (#402) [Prince Sunny]
64b3cfe 2020-10-24 | SonicV2Connector supports host and decode_responses in constructor parameters (#401) [Qi Luo]
f8b0065 2020-10-23 | Implement FieldValueMap update method (#400) [Qi Luo]

Author: qiluo-msft