chore: release v0.3.0-alpha.2

[github-actions]

🤖 New release

• hugr: 0.3.0-alpha.1 -> 0.3.0-alpha.2 (⚠️ API breaking changes)

⚠️ hugr breaking changes

--- failure enum_missing: pub enum removed or renamed ---

Description:
A publicly-visible enum cannot be imported by its prior path. A `pub use` may have been removed, or the enum itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.30.0/src/lints/enum_missing.ron

Failed in:
  enum hugr::ops::custom::ExternalOp, previously in file /tmp/.tmpZslYkR/hugr/src/ops/custom.rs:20
  enum hugr::ops::leaf::LeafOp, previously in file /tmp/.tmpZslYkR/hugr/src/ops/leaf.rs:21
  enum hugr::ops::LeafOp, previously in file /tmp/.tmpZslYkR/hugr/src/ops/leaf.rs:21

--- failure enum_variant_added: enum variant added on exhaustive enum ---

Description:
A publicly-visible enum without #[non_exhaustive] has a new variant.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#enum-variant-new
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.30.0/src/lints/enum_variant_added.ron

Failed in:
  variant ConstTypeError:NotMonomorphicFunction in /tmp/.tmpoZAGEw/hugr/hugr/src/ops/constant.rs:98
  variant ConstTypeError:NotMonomorphicFunction in /tmp/.tmpoZAGEw/hugr/hugr/src/ops/constant.rs:98
  variant SignatureError:CallIncorrectlyAppliesType in /tmp/.tmpoZAGEw/hugr/hugr/src/extension.rs:172

--- failure enum_variant_missing: pub enum variant removed or renamed ---

Description:
A publicly-visible enum has at least one variant that is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.30.0/src/lints/enum_variant_missing.ron

Failed in:
  variant InterGraphEdgeError::InvalidConstSrc, previously in file /tmp/.tmpZslYkR/hugr/src/hugr/validate.rs:774
  variant OpType::LeafOp, previously in file /tmp/.tmpZslYkR/hugr/src/ops.rs:30
  variant SignatureError::TypeApplyIncorrectCache, previously in file /tmp/.tmpZslYkR/hugr/src/extension.rs:171
  variant EdgeKind::Static, previously in file /tmp/.tmpZslYkR/hugr/src/types.rs:44
  variant ConstTypeError::FunctionTypeMissing, previously in file /tmp/.tmpZslYkR/hugr/src/ops/constant.rs:99
  variant ConstTypeError::FunctionTypeMissing, previously in file /tmp/.tmpZslYkR/hugr/src/ops/constant.rs:99

--- failure inherent_method_missing: pub method removed or renamed ---

Description:
A publicly-visible method or associated fn is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.30.0/src/lints/inherent_method_missing.ron

Failed in:
  OpType::as_leaf_op, previously in file /tmp/.tmpZslYkR/hugr/src/ops.rs:103
  OpType::is_leaf_op, previously in file /tmp/.tmpZslYkR/hugr/src/ops.rs:103

--- 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/v0.30.0/src/lints/method_parameter_count_changed.ron

Failed in:
  hugr::types::PolyFuncType::validate now takes 2 parameters instead of 3, in /tmp/.tmpoZAGEw/hugr/hugr/src/types/poly_func.rs:76

--- failure struct_missing: pub struct removed or renamed ---

Description:
A publicly-visible struct cannot be imported by its prior path. A `pub use` may have been removed, or the struct itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.30.0/src/lints/struct_missing.ron

Failed in:
  struct hugr::ops::leaf::TypeApplication, previously in file /tmp/.tmpZslYkR/hugr/src/ops/leaf.rs:82

Changelog

0.3.0-alpha.2 (2024-04-15)

Documentation

• Specify direct children in HugrView::children (#921)
• Add logo svg to readme and spec (#925)

Features

• [breaking] No polymorphic closures (#906)
• [breaking] Flatten LeafOp (#922)

Refactor

• Combine ExtensionSolutions (no separate closure) (#884)
• [breaking] Merge CustomOp and ExternalOp. (#923)

---

This PR was generated with release-plz.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.47%. Comparing base (0bab478) to head (2cfa7b3).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #898      +/-   ##
==========================================
- Coverage   85.54%   85.47%   -0.08%     
==========================================
  Files          78       78              
  Lines       14257    14257              
  Branches    14257    14257              
==========================================
- Hits        12196    12186      -10     
- Misses       1427     1436       +9     
- Partials      634      635       +1     

Flag	Coverage Δ
rust	85.47% <ø> (-0.08%)	⬇️

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