[sonic-saidredis]: Advance submodule (#7774)

Why I did it
Update sonic-sairedis submodule to include below commits:
0e2105a [vs]: Start syncd by passing context configuration file and global context index. (#832)
f931ae4 [VS] Add support for context and multiple switches (#830)
59208de [submodule] Update SAI submodule (#829)
77d44f5 [Mellanox] Update mellanoxs dump generation to include SDK dumps (#833)
4fb571b Generalizing config.bcm support for BRCM silicons (#693)
Signed-off-by: Suvarna Meenakshi <sumeenak@microsoft.com>