fix(auth): report per-environment status and refresh-token availability

[jpage-godaddy]

Summary

• gddy auth status with no --env returned an empty array — it enumerated environments via each PkceAuthProvider's in-memory token cache, which is always empty since a fresh provider is built per call. Now lists every known environment (built-ins + locally configured + PAT registry) and lets the dispatcher check status against real persisted storage.
• Bumps cli-engine to 0.7, picking up Credential::refreshable (feat(auth)!: surface refresh-token availability on Credential/auth status cli-engine#79) so auth status output can distinguish a credential that definitely needs auth login from one that will attempt a silent renewal first.

Test plan

• cargo check
• cargo clippy -- -D warnings
• cargo test (494 passed)
• cargo fmt --check
• Manually verified gddy auth status reports per-environment status with an accurate refreshable column

[Copilot]

Pull request overview

This PR fixes gddy auth status environment enumeration so it reports per-environment status reliably (even when no --env is specified) by listing all known environments and letting status checks consult persisted credential storage. It also bumps cli-engine to v0.7 to pick up Credential::refreshable, enabling auth status output to distinguish credentials that can attempt silent refresh from those that require an interactive login.

Changes:

• Reworked GoDaddyAuthProvider::list_environments to enumerate all known environments (built-ins + locally configured + PAT registry) instead of relying on PkceAuthProvider’s in-memory cache.
• Updated dependency cli-engine from 0.6 to 0.7.
• Regenerated lockfile entries for the dependency bump.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
rust/src/auth.rs	Fixes environment discovery for auth status by listing known env names and including PAT-registered envs.
rust/Cargo.toml	Bumps cli-engine to 0.7 to support Credential::refreshable.
rust/Cargo.lock	Updates locked cli-engine version/checksum to match the dependency bump.

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