Bump net.minidev:json-smart

Bumps the maven group with 1 update in the /backend directory: [net.minidev:json-smart](https://github.com/netplex/json-smart-v2).


Updates `net.minidev:json-smart` from 2.5.1 to 2.5.2
- [Release notes](https://github.com/netplex/json-smart-v2/releases)
- [Commits](netplex/json-smart-v2@2.5.1...2.5.2)

---
updated-dependencies:
- dependency-name: net.minidev:json-smart
  dependency-type: direct:production
  dependency-group: maven
...

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

backend/pom.xml

@@ -142,7 +142,7 @@
     <dependency>
       <groupId>net.minidev</groupId>
       <artifactId>json-smart</artifactId>
-      <version>2.5.1</version>
+      <version>2.5.2</version>
     </dependency>
     <!-- CAS -->
     <dependency>