⬆ Update ruff requirement from ~0.15.8 to ~0.15.12 (#396)

Updates the requirements on [ruff](https://github.com/astral-sh/ruff) to permit the latest version.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](https://github.com/astral-sh/ruff/compare/0.15.8...0.15.12)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.12
  dependency-type: direct:development
...

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pyproject.toml

@@ -65,4 +65,4 @@ plyer = "~2.1.0"
 optional = true
 
 [tool.poetry.group.lint.dependencies]
-ruff = "~0.15.8"
+ruff = "~0.15.12"