[Feature] Google Gemini Url context tool support

[marsimon]

trafficstars

What Would You Like to See with the Gateway?

Currenty, gemini chat complete tool calling only supports google_search, but recently google added url context tool, But there is only filter for a google search in https://github.com/Portkey-AI/gateway/blob/main/src/providers/google/chatComplete.ts. so please add url_context filtering for supporting url context tool

Context for your Request

No response

Your Twitter/LinkedIn

No response