chore(🦀): release quizx 0.4.0

[github-actions]

🤖 New release

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

⚠ quizx breaking changes

--- failure trait_added_supertrait: non-sealed trait added new supertraits ---

Description:
A non-sealed trait added one or more supertraits, which breaks downstream implementations of the trait
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#generic-bounds-tighten
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/trait_added_supertrait.ron

Failed in:
  trait quizx::tensor::TensorElem gained TryFrom in file /tmp/.tmpY9092b/quizx/quizx/src/tensor.rs:64

--- failure trait_method_missing: pub trait method removed or renamed ---

Description:
A trait method is no longer callable, and may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-item-signature
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/trait_method_missing.ron

Failed in:
  method to_tensor64 of trait ToTensor, previously in file /tmp/.tmpw9KgPZ/quizx/src/tensor.rs:110

Changelog

0.4.0 - 2026-08-10

Bug Fixes

• typo in README
• bug in cutrank caching (#173)
• remove stale edges from rank cache
• another caching bug in rankwidth

New Features

• [breaking] Added dyadic rational type and new scalars based on this type (#158)
• use bitgauss library for fast F2 linear algebra (#161)
• [breaking] low-rankwidth decompositions of ZX diagrams (#166)
• [breaking] Python bindings for rankwidth functions (#168)
• added keyword args and properties to bindings (#169)

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This PR was generated with release-plz.