Need DB migrator change for 'subport' added in PORT table

[prgeor]

'subport' was added to PORT table here https://github.com/sonic-net/sonic-buildimage/pull/14519/files

Need DB migration changes for the same

Description

Steps to reproduce the issue:

Describe the results you received:

Describe the results you expected:

Output of show version:

(paste your output here)

Output of show techsupport:

(paste your output here or download and attach the file here )

Additional information you deem important (e.g. issue happens only occasionally):

[dprital]

@prgeor , Are you about to handle this issue ? Do you have an ETA for the fix ?

[bingwang-ms]

@prgeor Can you please share an ETA on this issue?

[liat-grozovik]

kindly reminder as this issue will be a critical issue for 202311.