feat(dhcps): Support for multiple DNS servers (IDFGH-14266)

[KonssnoK]

Description

Add secondary DHCP Server support

[github-actions]

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[KonssnoK]

adjusted formatting

[espressif-abhikroy]

sha=a713e03f9b397cf69b8633f5fba050114877cf01

[Alvin1Zhang]

Thanks for contribution again, sorry for slow turnaround, changes have been merged with 04133e0. Feel free to reopen.

[KonssnoK]

could you notify when changes will be merged in 5.3? thanks