Bump json-smart from 2.3 to 2.3.1 in /tracer-sofa-boot-starter (#495)

Bump json-smart from 2.3 to 2.3.1

Author: dependabot[bot]

tracer-sofa-boot-starter/pom.xml

@@ -258,7 +258,7 @@
         <dependency>
             <groupId>net.minidev</groupId>
             <artifactId>json-smart</artifactId>
-            <version>2.3</version>
+            <version>2.3.1</version>
             <scope>test</scope>
         </dependency>