[submodule] Update submodule sonic-utilities to the latest HEAD autom…

…atically (#15422)

#### Why I did it
src/sonic-utilities
```
* 1246bc81 - (HEAD -> 202211, origin/202211) [config reload]Config Reload Enhancement (#2693) (#2863) (2 days ago) [Sudharsan Dhamal Gopalarathnam]
* d69aae4d - [vlan][dhcp_relay] Clear dhcpv6 relay counter while deleting vlan (#2852) (2 days ago) [Yaqiang Zhu]
* 0f6bf8ac - [config]: Dynamically start and stop ndppd (#2814) (2 days ago) [Lawrence Lee]
* 48a63ff1 - Fix issue: out of range sflow polling interval is accepted and stored in config_db (#2847) (2 days ago) [Junchao-Mellanox]
```
#### How I did it
#### How to verify it
#### Description for the changelog