Bump trimesh from 4.11.5 to 4.12.1 in the minor group (#157)

Bumps the minor group with 1 update: [trimesh](https://github.com/mikedh/trimesh).


Updates `trimesh` from 4.11.5 to 4.12.1
- [Release notes](https://github.com/mikedh/trimesh/releases)
- [Commits](mikedh/trimesh@4.11.5...4.12.1)

---
updated-dependencies:
- dependency-name: trimesh
  dependency-version: 4.12.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
...

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