Update owning_ref requirement from 0.3 to 0.4 (#379)
Update owning_ref requirement from 0.3 to 0.4 (#379)

Updates the requirements on [owning_ref](https://github.com/Kimundi/owning-ref-rs) to permit the latest version.
- [Release notes](https://github.com/Kimundi/owning-ref-rs/releases)
- [Commits](https://github.com/Kimundi/owning-ref-rs/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
fulmicoton/tantivy,fulmicoton/tantivy,tantivy-search/tantivy,tantivy-search/tantivy,fulmicoton/tantivy