Update ruff requirement from >=0.0.285 to >=0.15.12

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](astral-sh/ruff@v0.0.285...0.15.12)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -28,7 +28,7 @@ requires-python = ">=3.9"
 dependencies = ["numpy"]
 
 [project.optional-dependencies]
-dev = ["pytest>=7.4.0", "pytest-cov>=3.0.0", "ruff>=0.0.285"]
+dev = ["pytest>=7.4.0", "pytest-cov>=3.0.0", "ruff>=0.15.12"]
 docs = [
     "mkdocstrings-python>=2.0.0",
     "zensical>=0.0.24",