[sonic-utilities] update submodule

```
ca728b8 [config] fix interface IPv6 address removal. (sonic-net#1819)
0665d6f VxLAN Tunnel Counters and Rates implementation (sonic-net#1748)
80a10dc Fix log_ssd_health hang issue (sonic-net#1904)
ea4a730 [config][cbf] Added config commands for CBF (sonic-net#1799)
02ce8d6 [sonic-package-manager] update FEATURE entries on upgrade (sonic-net#1803)
9f123c0 [generate_dump] remove secrets from dump files (sonic-net#1886)
3a8ab73 [fwutil] Add `fwutil update all` to support the automatic platform component fw updates (sonic-net#1242)
776fddf [sonic-package-manager] code style fixes and enhancements (sonic-net#1802)
f53baac [watermarkstat] Fix for error in processing empty array from couters db (sonic-net#1810)
0b2536b Generic_upater: Apply JSON change (sonic-net#1856)
```

Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>