chore: release v0.4.0

[github-actions]

🤖 New release

• comfyui-client: 0.3.0 -> 0.4.0 (⚠ API breaking changes)

⚠ comfyui-client breaking changes

--- failure constructible_struct_adds_field: externally-constructible struct adds field ---

Description:
A pub struct constructible with a struct literal has a new pub field. Existing struct literals must be updated to include the new field.
        ref: https://doc.rust-lang.org/reference/expressions/struct-expr.html
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.40.0/src/lints/constructible_struct_adds_field.ron

Failed in:
  field Images.gifs in /tmp/.tmpKtFQRo/comfyui-client/src/meta.rs:57

Changelog

0.4.0 - 2025-05-01

Added

• Derive Clone and add gifs in history (#25)

Fixed

• handle execution error and interruption events in main loop (#26)

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