Bump oxigraph from 0.5.7 to 0.5.8 in /rust/case2geojson

Bumps [oxigraph](https://github.com/oxigraph/oxigraph) from 0.5.7 to 0.5.8.
- [Release notes](https://github.com/oxigraph/oxigraph/releases)
- [Changelog](https://github.com/oxigraph/oxigraph/blob/v0.5.8/CHANGELOG.md)
- [Commits](oxigraph/oxigraph@v0.5.7...v0.5.8)

---
updated-dependencies:
- dependency-name: oxigraph
  dependency-version: 0.5.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

rust/case2geojson/Cargo.lock

@@ -7,7 +7,7 @@ edition = "2021"
 geojson = "1.0.0"
 iref = "3.2.2"
 json-ld = { version = "0.21.4" }
-oxigraph = { version = "0.5.7", default-features = false}
+oxigraph = { version = "0.5.8", default-features = false}
 serde_json = "1.0.149"
 static-iref = "3.0.0"
 tokio = { version = "1.52.3", features = ["macros", "rt-multi-thread", "test-util"] }