Bump json-schema-validator from 1.0.27 to 1.0.28 (#163)

Bumps [json-schema-validator](https://github.com/networknt/json-schema-validator) from 1.0.27 to 1.0.28.
- [Release notes](https://github.com/networknt/json-schema-validator/releases)
- [Changelog](https://github.com/networknt/json-schema-validator/blob/master/CHANGELOG.md)
- [Commits](networknt/json-schema-validator@1.0.27...1.0.28)

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

Author: dependabot-preview[bot]

pom.xml

@@ -100,7 +100,7 @@
 
         <!-- Schema types -->
 		<avro.version>1.9.1</avro.version>
-        <json-schema-validator.version>1.0.27</json-schema-validator.version>
+        <json-schema-validator.version>1.0.28</json-schema-validator.version>
         <wire-schema.version>3.0.2</wire-schema.version>
         <protobuf.version>3.11.0</protobuf.version>