Completed upgrade to spring boot 3.x

dgs-graphql/src/main/kotlin/com/cubetiqs/graphql/demo/GraphqlDemoApplication.kt

@@ -1,10 +1,19 @@
 package com.cubetiqs.graphql.demo
 
+import com.cubetiqs.sp.security.util.PasswordUtils
+import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
+import org.springframework.security.crypto.password.PasswordEncoder
 
 @SpringBootApplication
-class GraphqlDemoApplication
+class GraphqlDemoApplication @Autowired constructor(
+    private val passwordEncoder: PasswordEncoder,
+) {
+    init {
+        PasswordUtils.setEncoder(passwordEncoder)
+    }
+}
 
 fun main(args: Array<String>) {
     runApplication<GraphqlDemoApplication>(*args)