⬆️ Update runners and prek checks

[denialhaag]

Description

This PR updates the CI to use macos-15 instead of macos-14 and windows-2025 instead of windows-2022. It furthermore updates .pre-commit-config.yml to make use of prek's priority feature.

Checklist:

• The pull request only contains commits that are focused and relevant to this change.
• I have added appropriate tests that cover the new/changed functionality.
• I have updated the documentation to reflect these changes.
• I have added entries to the changelog for any noteworthy additions, changes, fixes, or removals.
• I have added migration instructions to the upgrade guide (if needed).
• The changes follow the project's style guidelines and introduce no new warnings.
• The changes are fully tested and pass the CI checks.
• I have reviewed my own code changes.

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📝 Walkthrough

Walkthrough

This PR modernizes GitHub Actions workflows to use newer runner versions (macOS 15, Windows 2025, Ubuntu slim), updates CI matrix configurations with expanded test coverage, comprehensively restructures pre-commit hooks into priority-ordered tiers with better categorization, and adjusts nanobind version constraints in the build system.

Changes

Cohort / File(s)	Summary
GitHub Actions Runner Updates .github/workflows/cd.yml, .github/workflows/ci.yml, .github/workflows/release-drafter.yml, .github/workflows/templating.yml, .github/workflows/upstream.yml	Updated runner images and matrix configurations: replaced macos-14 with macos-15/macos-15-intel, replaced windows-2022 with windows-2025, and changed lightweight jobs from ubuntu-latest to ubuntu-slim.
Pre-commit Configuration Restructuring .pre-commit-config.yaml	Reorganized hooks into priority-based tiers (0–3), added new validation hooks (validate-pyproject, check-jsonschema, check-github-workflows, check-readthedocs), removed deprecated hooks (nb-clean, texthooks, pygrep-hooks), added contextual comments, and adjusted hook execution order for effectiveness.
Build Configuration pyproject.toml	Tightened nanobind version constraint from >=2.10.2 to ~=2.10.2 in build-system and dependency-groups; added PC170 to repo-review ignore list.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• 📦🏁 Build Windows x86 wheels on windows-2025 runner for newer compiler core#1415 — Identical CI runner updates (Windows 2025, macOS 15 replacements) across multiple workflow files.
• 👷 Use new ubuntu-slim runners for light workflows workflows#292 — Updates GitHub Actions jobs (release-drafter, templating) to use ubuntu-slim instead of ubuntu-latest.
• 👷 Build on macos-15/windows-2025 by default and macos-14/windows-2022 for extensive tests core#1414 — Comprehensive CI runner and matrix modernization including macos-15 and windows-2025 integration.

Suggested labels

minor, python

Suggested reviewers

• burgholzer

Poem

🐰 The runners hop to versions new,
With macOS fifteen in the queue,
Pre-commit hooks align just right,
In tiers of priority and might,
Our CI pipelines shine so bright! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly references the main changes: updating runners to newer versions and implementing prek's priority feature in pre-commit checks.
Description check	✅ Passed	The description covers the main changes (runner updates and prek priority feature) and provides a properly filled checklist. Some non-critical sections are not marked, but this is acceptable given the nature of the changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch update-dependencies

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[coderabbitai]

Actionable comments posted: 1

🤖 Fix all issues with AI agents

In @.github/workflows/ci.yml:
- Line 193: The workflow uses an invalid runner label in the runs-on array:
change the incorrect "windows-2024" token in the runs-on: [macos-14,
windows-2024] entry to a valid GitHub Actions Windows runner such as
"windows-2025" (or "windows-2022"/"windows-11-arm" if you prefer), updating the
runs-on array accordingly to ensure the job runs on supported Windows images.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!