chore: update pre-commit hooks (#426)

* chore: update pre-commit hooks

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.15.4 → v0.15.12](astral-sh/ruff-pre-commit@v0.15.4...v0.15.12)
- [github.com/codespell-project/codespell: v2.4.1 → v2.4.2](codespell-project/codespell@v2.4.1...v2.4.2)
- [github.com/pycqa/isort: 8.0.1 → 9.0.0a3](PyCQA/isort@8.0.1...9.0.0a3)
- [github.com/pre-commit/mirrors-mypy: v1.19.1 → v1.20.2](pre-commit/mirrors-mypy@v1.19.1...v1.20.2)
- [github.com/scientific-python/cookie: 2025.11.21 → 2026.04.04](scientific-python/cookie@2025.11.21...2026.04.04)

* style: pre-commit fixes

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -40,7 +40,7 @@ repos:
 
 
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.15.4"
+    rev: "v0.15.12"
     hooks:
     -   id: ruff-check
         types: [file, python]
@@ -49,7 +49,7 @@ repos:
         types: [file, python]
 
 -   repo: https://github.com/codespell-project/codespell
-    rev: "v2.4.1"
+    rev: "v2.4.2"
     hooks:
     -   id: codespell
         types_or: [asciidoc, python, markdown, rst]
@@ -58,7 +58,7 @@ repos:
 
 
 -   repo: https://github.com/pycqa/isort
-    rev: '8.0.1'
+    rev: '9.0.0a3'
     hooks:
     -   id: isort
         name: isort (cython)
@@ -72,7 +72,7 @@ repos:
       types: [file, python]
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v1.19.1'
+    rev: 'v1.20.2'
     hooks:
     -   id: mypy
         exclude: 'noxfile\.py|docs/conf\.py'
@@ -84,7 +84,7 @@ repos:
     - id: validate-pyproject
 
 -   repo: https://github.com/scientific-python/cookie
-    rev: 2025.11.21
+    rev: 2026.04.04
     hooks:
     - id: sp-repo-review
       additional_dependencies: ["repo-review[cli]"]

src/stratify/tests/test_vinterp.py

@@ -331,7 +331,7 @@ def test_npts(self):
 class Test_custom_extrap_kernel(unittest.TestCase):
     class my_kernel(vinterp.PyFuncExtrapolator):
         def __init__(self, *args, **kwargs):
-            super(Test_custom_extrap_kernel.my_kernel, self).__init__(*args, **kwargs)
+            super().__init__(*args, **kwargs)
 
         def extrap_kernel(self, direction, z_src, fz_src, level, output_array):
             output_array[:] = -10