[submodule][master] Update submodule sonic-gnmi and sonic-mgmt-common to the latest HEAD

[vvolam]

Why I did it

Updates to the Translib Bulk API caused sonic-gnmi and sonic-mgmt-common to become dependent on each other for compilation.

src/sonic-gnmi

* 1d8e216 - (HEAD -> master, origin/master, origin/HEAD) gNOI System APIs (Reboot, RebootStatus, CancelReboot) changes (#308) (11 days ago) [Neha Das]
* 403fa71 - TransL Bulk API enhancement (#364) (13 days ago) [faraazbrcm]

src/sonic-mgmt-common

* 7aa3ec8 - (HEAD -> master, origin/master, origin/HEAD) Translib Bulk API enhancement to support yang-patch and gNMI Bulk (2 weeks ago) [Mohammed Faraaz]
* bf654dd - Change sample model to security global (3 weeks ago) [Mohammed Faraaz]
* d441b33 - Fix Delete Validation for singleton lists (3 weeks ago) [Mohammed Faraaz]
* ec3ef8e - (origin/202411) cvl: custom validation example and test case (3 weeks ago) [Sachin Holla]

Work item tracking

• Microsoft ADO (number only):

How I did it

How to verify it

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205
• 202211
• 202305

Tested branch (Please provide the tested image version)

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

[mssonicbld]

/azp run Azure.sonic-buildimage

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[vvolam]

/azpw run

[mssonicbld]

/AzurePipelines run

[azure-pipelines]

You have several pipelines (over 10) configured to build pull requests in this repository. Specify which pipelines you would like to run by using /azp run [pipelines] command. You can specify multiple pipelines using a comma separated list.

[vvolam]

/azp run Azure.sonic-buildimage

[azure-pipelines]

Commenter does not have sufficient privileges for PR 21941 in repo sonic-net/sonic-buildimage

[hdwhdw]

@qiluo-msft can you help merge? Thanks!