[submodule] Update sonic-utilities submodule (#9229)

4bcaa60 [generic-config-updater] Adding logging to config-{replace, rollback, checkpoint, list-checkpoints} (#1885)
5e95fc3 [debug dump util] Vlan Module Added (#1877)
7f0bbd9 [debug dump util] Portchannel module added (#1853)
50bbfa0 Removed -t option and other missing fixes (#1884)

update sonic-utilties submodule

Signed-off-by: Vivek Reddy Karri <vkarri@nvidia.com>