Add more commit rate values

[AdamBrutsaert]

NetBox version

v4.0.6

Feature type

Data model extension

Proposed functionality

Add 200 and 400 GBPS commit rate for circuits

Use case

As #16791 added 200 and 400 GBPS circuit termination port speed, that would be also a QOL feature for circuit's commit rate

Database changes

No response

External dependencies

No response

[AdamBrutsaert]

I'm willing to take ownership if needed to make a PR,

It is just adding two lines there https://github.com/netbox-community/netbox/blob/develop/netbox/circuits/choices.py#L30C1-L43C6

        (200000000, '200 Gbps'),
        (400000000, '400 Gbps'),

[jeremystretch]

@AdamBrutsaert thanks, I've assigned this to you.