Bump dev.harrel:json-schema from 1.5.2 to 1.6.0 (#188)

Bumps [dev.harrel:json-schema](https://github.com/harrel56/json-schema) from 1.5.2 to 1.6.0.
- [Release notes](https://github.com/harrel56/json-schema/releases)
- [Commits](harrel56/json-schema@1.5.2...1.6.0)

---
updated-dependencies:
- dependency-name: dev.harrel:json-schema
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -70,7 +70,7 @@ dependencies {
 
     implementation("org.leadpony.justify:justify:3.1.0")
 
-    implementation("dev.harrel:json-schema:1.5.2")
+    implementation("dev.harrel:json-schema:1.6.0")
     implementation("com.sanctionco.jmail:jmail:1.6.3") // dev.harrel format validation
 
     runtimeOnly("org.slf4j:slf4j-nop:2.0.13")