[202012][sonic-utilities][sonic-platform-daemons] submodule update (s…

…onic-net#11684)

The follwing commit is added in sonic-utilities
b034f0c (HEAD -> 202012, origin/202012) [config][muxcable] add support
to enable/disable ycable telemetry (zhenggen-xu#2… (sonic-net#2304)

The follwing commit is added in sonic-platform-daemons
978667c (HEAD -> 202012, origin/202012) [ycabled] add capability to
enable/disable telemetry (sonic-net#279) (sonic-net#280

Signed-off-by: vaibhav-dahiya <vdahiya@microsoft.com>

Signed-off-by: vaibhav-dahiya <vdahiya@microsoft.com>