Update wheel build dependencies

[niemilau]

Now builds wheels for Python 3.14 too.

• Skip PyPy wheels as they now fail to build due to some C-extension incompatibilities. Quite miraculous that they worked until now.
  -MacOS-x86 still gets wrong arch somehow and fails so not including that.

https://github.com/Wall-Go/WallGoCollision/actions/runs/20160749787

[Copilot]

Pull request overview

This PR updates the wheel build infrastructure to support Python 3.14 and addresses build compatibility issues. The changes modernize the build tooling by upgrading cibuildwheel to v3.3.0, exclude problematic PyPy wheels due to C-extension incompatibilities, and update the muparser dependency to version 2.3.5. The PR also includes minor code cleanup with trailing whitespace removal.

• Upgraded cibuildwheel from v2.21.3 to v3.3.0 to enable Python 3.14 wheel builds
• Added PyPy wheels to skip list to avoid C-extension build failures
• Updated muparser dependency from 2.3.4 to 2.3.5

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
pyproject.toml	Updated skip configuration to exclude PyPy wheels in addition to musllinux, with improved comment documentation
conanfile.py	Bumped muparser dependency from 2.3.4 to 2.3.5 and removed trailing whitespace
.github/workflows/wheels.yml	Upgraded cibuildwheel action from v2.21.3 to v3.3.0, updated macOS runner comment, and cleaned up trailing whitespace

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[jorindevandevis]

Since it works, and copilot does not have comments, I am happy to approve this PR.