chore: release v0.12.0

[github-actions]

🤖 New release

• portgraph: 0.11.0 -> 0.12.0 (⚠️ API breaking changes)

⚠️ portgraph 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/v0.29.1/src/lints/enum_missing.ron

Failed in:
  enum portgraph::dot::PortStyle, previously in file /tmp/.tmpRl5Civ/portgraph/src/dot.rs:33
  enum portgraph::dot::EdgeStyle, previously in file /tmp/.tmpRl5Civ/portgraph/src/dot.rs:74
  enum portgraph::dot::NodeStyle, previously in file /tmp/.tmpRl5Civ/portgraph/src/dot.rs:10

--- failure module_missing: pub module removed or renamed ---

Description:
A publicly-visible module cannot be imported by its prior path. A `pub use` may have been removed, or the module may have been renamed, removed, or made non-public.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.29.1/src/lints/module_missing.ron

Failed in:
  mod portgraph::dot, previously in file /tmp/.tmpRl5Civ/portgraph/src/dot.rs:1

--- 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/v0.29.1/src/lints/struct_missing.ron

Failed in:
  struct portgraph::dot::DotFormatter, previously in file /tmp/.tmpRl5Civ/portgraph/src/dot.rs:99

--- failure trait_missing: pub trait removed or renamed ---

Description:
A publicly-visible trait cannot be imported by its prior path. A `pub use` may have been removed, or the trait 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/v0.29.1/src/lints/trait_missing.ron

Failed in:
  trait portgraph::dot::DotFormat, previously in file /tmp/.tmpRl5Civ/portgraph/src/dot.rs:359

Changelog

0.12.0 (2024-03-01)

Features

• Proptest for Multiportgraph
• (Multi)Portgraph implement Arbitrary
• [breaking] Mermaid rendering (#125)

Miscellaneous Tasks

• [breaking] Hike MSRV to 1.75

---

This PR was generated with release-plz.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.38%. Comparing base (6eddd63) to head (8884886).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #123   +/-   ##
=======================================
  Coverage   79.38%   79.38%           
=======================================
  Files          21       21           
  Lines        5016     5016           
  Branches     5016     5016           
=======================================
  Hits         3982     3982           
  Misses        962      962           
  Partials       72       72           

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