Parent issue: update conversation api quickstarts with new features

[sicoyle]

I added prompt caching, updated response caching, added model on the response, added resiliency timeout support, and usage metrics to the conversation api. Quickstarts need to be added/updated for these.

[sicoyle]

/assign

[sicoyle]

I am taking on go and python so no need to create subissues for those as I'm tracking @alicejgibbons 🫡