chore: upgrade fastjson to latest version (#510)

Author: munendrasn

pippo-content-type-parent/pippo-fastjson/pom.xml

@@ -15,7 +15,7 @@
     <description>Fastjson integration</description>
 
     <properties>
-        <fastjson.version>1.2.51</fastjson.version>
+        <fastjson.version>1.2.57</fastjson.version>
     </properties>
 
     <dependencies>