🐍 Start building CPython 3.15 wheels

[denialhaag]

Description

This PR enables support for building CPython 3.15 wheels by updating munich-quantum-toolkit/workflows. We cannot start testing on Python 3.15 just yet because several dependencies (including numpy and scipy) do not yet provide CPython 3.15 wheels.

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.

[denialhaag]

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Full review finished.

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: c5e4a051-0622-45dc-a243-bc72c79a9a52

📥 Commits

Reviewing files that changed from the base of the PR and between b3e613f and 28f0917.

📒 Files selected for processing (5)

• .github/workflows/cd.yml
• .github/workflows/ci.yml
• .github/workflows/upstream.yml
• CHANGELOG.md
• pyproject.toml

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📝 Walkthrough

Summary by CodeRabbit

• Documentation

  • Added an unreleased changelog entry for upcoming CPython 3.15 wheel builds.
  • Clarified CPython 3.14 wheel availability in the 3.2.0 release notes.

• Maintenance

  • Updated automated build and validation workflows to their latest reusable versions.
  • Added Python 3.15 project metadata while keeping its wheel builds disabled until available.

Walkthrough

This pull request updates reusable GitHub Actions workflow pins from v2.2.1 to v2.2.2. It adds Python 3.15 metadata, skips unavailable cp315 builds, and updates changelog entries.

Changes

Workflow and packaging updates

Layer / File(s)	Summary
Python 3.15 packaging metadata pyproject.toml, CHANGELOG.md	The project adds a Python 3.15 classifier, skips cp315* test builds, and updates wheel-build changelog entries.
Reusable workflow pin updates .github/workflows/ci.yml, .github/workflows/cd.yml, .github/workflows/upstream.yml	CI, packaging, and upstream jobs now reference reusable workflow version v2.2.2.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• munich-quantum-toolkit/workflows#295: Updates the reusable CI workflows referenced by this pull request.
• munich-quantum-toolkit/core#1404: Updates reusable workflow references in the same workflow files.
• munich-quantum-toolkit/syrec#415: Updates Python wheel configuration for a newer Python version.

Suggested labels: dependencies, github-actions

Suggested reviewers: burgholzer

Poem

A rabbit checks the wheels at dawn,
“Three-point-fifteen is marked and drawn.”
Workflow pins hop forward too,
Tests skip builds they cannot do.
Changelog leaves a trail of cheer.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: starting CPython 3.15 wheel builds.
Description check	✅ Passed	The description summarizes the change, explains the dependency limitation, and includes a substantially complete checklist.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch python-3.15

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

[burgholzer]

LGTM 👍🏻