Bump value-bag from 1.4.0 to 1.4.1 in /cmd/zfs_object_agent (openzfs#965

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Bumps [value-bag](https://github.com/sval-rs/value-bag) from 1.4.0 to 1.4.1.
- [Release notes](https://github.com/sval-rs/value-bag/releases)
- [Commits](sval-rs/value-bag@v1.4.0...v1.4.1)

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

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