Bump jsonschema from 0.19.1 to 0.21.0 (#102)

Bumps [jsonschema](https://github.com/Stranger6667/jsonschema-rs) from 0.19.1 to 0.21.0.
- [Release notes](https://github.com/Stranger6667/jsonschema-rs/releases)
- [Changelog](https://github.com/Stranger6667/jsonschema-rs/blob/master/CHANGELOG.md)
- [Commits](Stranger6667/jsonschema@rust-v0.19.1...rust-v0.21.0)

---
updated-dependencies:
- dependency-name: jsonschema
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -36,5 +36,5 @@ rust_decimal = { version = "1.36.0", features = ["serde-with-arbitrary-precision
 chrono = { version = "0.4.38", default-features = false, features = ["clock"] }
 serde_json = "1"
 mockall = "0.13.0"
-jsonschema = "0.19"
+jsonschema = "0.21"
 rust_decimal_macros = "1.36.0"