Bump serde_path_to_error from 0.1.11 to 0.1.12 in /cmd/zfs_object_age…

…nt (openzfs#989)

Bumps [serde_path_to_error](https://github.com/dtolnay/path-to-error) from 0.1.11 to 0.1.12.
- [Release notes](https://github.com/dtolnay/path-to-error/releases)
- [Commits](dtolnay/path-to-error@0.1.11...0.1.12)

---
updated-dependencies:
- dependency-name: serde_path_to_error
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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