This PR makes it so we attach the value from the `User-Agent` header to the `handle connection` span. We'll start sending this header in https://github.com/zed-industries/zed/pull/35280. Release Notes: - N/A
This PR makes it so we attach the value from the `User-Agent` header to the `handle connection` span. We'll start sending this header in https://github.com/zed-industries/zed/pull/35280. Release Notes: - N/A