Bump net.minidev:json-smart in /json-smart-action

Bumps [net.minidev:json-smart](https://github.com/netplex/json-smart-v2) from 2.6.0-SNAPSHOT to 2.6.0.
- [Release notes](https://github.com/netplex/json-smart-v2/releases)
- [Commits](https://github.com/netplex/json-smart-v2/commits/v2.6.0)

---
updated-dependencies:
- dependency-name: net.minidev:json-smart
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

json-smart-action/pom.xml

@@ -282,7 +282,7 @@
         <dependency>
             <groupId>net.minidev</groupId>
             <artifactId>json-smart</artifactId>
-            <version>2.6.0-SNAPSHOT</version>
+            <version>2.6.0</version>
         </dependency>
     </dependencies>
 </project>