Bump junit.version from 5.13.4 to 6.0.0 in /json-smart-action

Bumps `junit.version` from 5.13.4 to 6.0.0.

Updates `org.junit.jupiter:junit-jupiter-api` from 5.13.4 to 6.0.0
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.0)

Updates `org.junit.jupiter:junit-jupiter-params` from 5.13.4 to 6.0.0
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.0)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 6.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 6.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

json-smart-action/pom.xml

@@ -43,7 +43,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <junit.version>5.13.4</junit.version>
+        <junit.version>6.0.0</junit.version>
     </properties>
     <scm>
         <connection>scm:git:https://github.com/netplex/json-smart-v2.git</connection>