[submodule][202606] Update submodule sonic-utilities to the latest HEAD automatically

[mssonicbld]

Why I did it

src/sonic-utilities

* 786f8882 - (HEAD -> 202606, origin/202606) Merge pull request #455 from mssonicbld/sonicbld/202606-merge (23 hours ago) [mssonicbld]
* d1beeaa7 - Merge branch '202605' of https://github.com/sonic-net/sonic-utilities into 202606 (23 hours ago) [Sonic Automation]
* ce150de6 - Tolerate ENOENT in vlanintf_validator ip neigh flush (#4809) (2 days ago) [Divyarajsinh Jhala]

How I did it

How to verify it

Description for the changelog

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[mssonicbld]

/azp run

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Azure Pipelines:
Successfully started running 1 pipeline(s).

[mssonicbld]

/azp run

[azure-pipelines]

Azure Pipelines:
Successfully started running 1 pipeline(s).

[mssonicbld]

/azp run

[azure-pipelines]

Azure Pipelines:
Successfully started running 1 pipeline(s).

[mssonicbld]

/azp run

[azure-pipelines]

Azure Pipelines:
Successfully started running 1 pipeline(s).

[mssonicbld]

This cherry pick PR has been opened for more than 3 days. The mssonicbld will attempt to retry.

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[mssonicbld]

/azpw retry

[mssonicbld]

Retrying failed(or canceled) jobs...

[mssonicbld]

Retrying failed(or canceled) stages in build 1219711:

✅Stage Build:

• Job marvell_prestera_arm64: retried.

✅Stage Test:

• Job impacted-area-kvmtest-t0 by Elastictest: retried.