add support for victoria_log feature with deserialization tests

[ruslanti]

No description provided.

[Copilot]

Pull request overview

Adds a new victoria_log logging option to the runtime app configuration model and validates JSON deserialization behavior via unit tests.

Changes:

• Extend Log enum with a Victoria variant behind the victoria_log feature flag.
• Add unit tests covering Log deserialization defaults, invalid values, and feature-gated variants.
• Introduce the victoria_log feature in runtime and enable it by default; bump workspace version to 0.14.1 (with corresponding lockfile updates).

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated 3 comments.

File	Description
crates/runtime/src/app.rs	Adds Log::Victoria behind a feature flag and adds deserialization-focused tests (including feature-gated cases).
crates/runtime/Cargo.toml	Defines the new victoria_log feature and includes it in runtime’s default feature set.
Cargo.toml	Bumps workspace version to 0.14.1.
Cargo.lock	Updates crate versions to match the workspace version bump.

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