chore(api-keys-simplified): release v0.3.0

[github-actions]

🤖 New release

• api-keys-simplified: 0.2.1 -> 0.3.0 (⚠ API breaking changes)

⚠ api-keys-simplified breaking changes

--- failure method_parameter_count_changed: pub method parameter count changed ---

Description:
A publicly-visible method now takes a different number of parameters.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#fn-change-arity
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/method_parameter_count_changed.ron

Failed in:
  api_keys_simplified::ApiKeyManagerV0::init now takes 4 parameters instead of 3, in /tmp/.tmpA5r4K6/api-keys-simplified/crates/api-keys-simplified/src/domain.rs:54

Changelog

0.3.0 - 2025-12-13

Fixed

• key expiration logic (#20)

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