chore: release v0.13.0 (#93)

## 🤖 New release

* `polyanya`: 0.12.1 -> 0.13.0 (⚠ API breaking changes)

### ⚠ `polyanya` breaking changes

```text
--- failure feature_missing: package feature removed or renamed ---

Description:
A feature has been removed from this package's Cargo.toml. This will break downstream crates which enable that feature.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#cargo-feature-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/feature_missing.ron

Failed in:
  feature public-spade in the package's Cargo.toml
```

<details><summary><i><b>Changelog</b></i></summary><p>



</p></details>

---
This PR was generated with
[release-plz](https://github.com/release-plz/release-plz/).

Author: mockersf

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polyanya"
-version = "0.12.1"
+version = "0.13.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 keywords = ["pathfinding"]