build(deps): bump thiserror from 2.0.12 to 2.0.15 (#47)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 2.0.12 to 2.0.15.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@2.0.12...2.0.15)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-version: 2.0.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]