[FEATURE]: add support to GLM 4.6V and GLM 4.6V-Flash

[Wierzciu]

Feature hasn't been suggested before.

• [x] I have verified this feature I'm about to request hasn't been suggested before.

Describe the enhancement you want to request

Hello yesterday Z.AI announce new variant of there vision models with numeric 4.6V nad sub variant flash

https://z.ai/blog/glm-4.6v https://docs.z.ai/guides/vlm/glm-4.6v

It's not maybe the main model for codding but support theme can help in some case.

[rekram1-node]

our models api is at models.dev prs are always welcome but ill try to add these for u

[Wierzciu]

@rekram1-node thanks and sorry for making this ticket on opencode repo, I see this two model was added on models.dev, thanks for all :)