Sandbox class and warm pool fields on Sandbox

Daytona 0.207.0 surfaces additional sandbox metadata on the Sandbox object so SDKs can read class, warm pool, GPU, state, daemon, and OpenTelemetry override fields directly.

Features

SDK: expose sandboxClass, warmPoolId, gpuType, desiredState, daemonVersion, and otelEndpointOverride on Sandbox

Chores

sync go.sum for v0.205.1

Go SDK: bump to v0.207.0