Update schemars requirement from 0.8.17 to 0.9.0

Updates the requirements on [schemars](https://github.com/GREsau/schemars) to permit the latest version.
- [Release notes](https://github.com/GREsau/schemars/releases)
- [Changelog](https://github.com/GREsau/schemars/blob/master/CHANGELOG.md)
- [Commits](https://github.com/GREsau/schemars/compare/v0.8.17...v0.9.0)

---
updated-dependencies:
- dependency-name: schemars
  dependency-version: 0.9.0
  dependency-type: direct:production
...

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

Cargo.toml

@@ -13,7 +13,7 @@ rust-version = "1.80.0"
 
 [dependencies]
 serde = { version = "1.0.200", optional = true }
-schemars = { version = "0.8.17", optional = true }
+schemars = { version = "0.9.0", optional = true }
 
 [dev-dependencies]
 serde_json = "1.0.116"