Upgrade spring-boot to version 4.

backend/build.gradle.kts

@@ -26,7 +26,7 @@ subprojects {
     }
 
     dependencies {
-        implementation(platform("org.springframework.boot:spring-boot-dependencies:3.5.5"))
+        implementation(platform("org.springframework.boot:spring-boot-dependencies:4.1.1"))
         compileOnly("org.projectlombok:lombok:1.18.40")
         annotationProcessor("org.projectlombok:lombok:1.18.40")
         testImplementation("org.assertj:assertj-core:3.27.4")
@@ -43,7 +43,7 @@ subprojects {
 
 dependencyManagement {
     imports {
-        mavenBom("org.springframework.boot:spring-boot-dependencies:3.5.5")
+        mavenBom("org.springframework.boot:spring-boot-dependencies:4.1.1")
     }
 }
 

backend/codiki-infrastructure/src/main/java/org/codiki/infrastructure/configuration/JpaConfiguration.java

@@ -1,6 +1,6 @@
 package org.codiki.infrastructure.configuration;
 
-import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.boot.persistence.autoconfigure.EntityScan;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 

backend/codiki-launcher/build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    id("org.springframework.boot") version "3.5.5"
+    id("org.springframework.boot") version "4.1.1"
     id("io.spring.dependency-management") version "1.1.7"
 }