Update ruff to 0.15.8 (#1312)

Author: bdraco

.pre-commit-config.yaml

@@ -33,7 +33,7 @@ repos:
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.12.0
+  rev: v0.15.8
   hooks:
   - id: ruff-check
     args: ["--fix"]

pyproject.toml

@@ -3,6 +3,9 @@ requires = ["setuptools >= 40"]
 build-backend = "setuptools.build_meta"
 
 
+[tool.ruff]
+target-version = "py39"
+
 [tool.cibuildwheel]
 test-requires = "-r requirements/pytest.txt"
 test-command = 'pytest -m "not leaks" --no-cov {project}/tests'