[202012] [sonic-utilities] Submodule update (#10221)

Advance sonic-utilities submodule to include the following changes

98de850 [muxcable][show] enhance show mux status to show last switchover time sonic-net/sonic-utilities#2067
3da82d1 [show][muxcable] fix the sudo access error for show muxcable metrics sonic-net/sonic-utilities#2083
7acbadb [build] stop vstest in the Azure pipeline sonic-net/sonic-utilities#2098
3fed440 [show][config] add muxcable command line support for retrieve / reset ICMP packet loss data sonic-net/sonic-utilities#2094
aa21e3a [202012] [counterpoll] Display the correct default poll interval for watermark counters sonic-net/sonic-utilities#2091

Signed-off-by: Neetha John <nejo@microsoft.com>