build(deps): bump com.networknt:json-schema-validator (aws-powertools#1446)

Bumps [com.networknt:json-schema-validator](https://github.com/networknt/json-schema-validator) from 1.0.86 to 1.0.87.
- [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@1.0.86...1.0.87)

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

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Author: dependabot[bot]

powertools-validation/pom.xml

@@ -87,7 +87,7 @@
         <dependency>
             <groupId>com.networknt</groupId>
             <artifactId>json-schema-validator</artifactId>
-            <version>1.0.86</version>
+            <version>1.0.87</version>
         </dependency>
         <dependency>
             <groupId>com.amazonaws</groupId>