Snapshot operations by name and outbound proxy

Daytona 0.204.0 expands snapshot management by ID or name, adds outbound proxy configuration on sandbox create, and introduces typed git transport error codes across all SDKs.

Features

SDK, CLI: support snapshot delete and activate by ID or name

SDK: add sourceSandboxId filter to snapshot list

SDK: add outboundProxyUrl sandbox create param

SDK: add GIT_TRANSPORT_FAILED and GIT_REMOTE_REJECTED error types across all SDKs

Chores

sync go.sum for v0.203.0

batch dependabot 20260806

deps toolchain 20260806b

Go SDK: bump to v0.204.0