Bump json-schema-validator from 1.0.68 to 1.0.69 in /buildSrc (#3060)

Bumps [json-schema-validator](https://github.com/networknt/json-schema-validator) from 1.0.68 to 1.0.69.
- [Release notes](https://github.com/networknt/json-schema-validator/releases)
- [Changelog](https://github.com/networknt/json-schema-validator/blob/master/CHANGELOG.md)
- [Commits](https://github.com/networknt/json-schema-validator/compare/1.0.68...1.0.69)

---
updated-dependencies:
- dependency-name: com.networknt:json-schema-validator
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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buildSrc/build.gradle

@@ -115,7 +115,7 @@ dependencies {
   api 'de.thetaphi:forbiddenapis:3.3'
   api 'com.avast.gradle:gradle-docker-compose-plugin:0.15.2'
   api 'org.apache.maven:maven-model:3.6.2'
-  api 'com.networknt:json-schema-validator:1.0.68'
+  api 'com.networknt:json-schema-validator:1.0.69'
   api "com.fasterxml.jackson.core:jackson-databind:${props.getProperty('jackson_databind')}"
 
   testFixturesApi "junit:junit:${props.getProperty('junit')}"