chore(deps): update plugin org.springframework.boot to v3

Author: renovate[bot]

build.gradle.kts

@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.openapitools.generator.gradle.plugin.tasks.GenerateTask
 
 plugins {
-	id("org.springframework.boot") version "2.7.6"
+	id("org.springframework.boot") version "3.1.0"
 	id("io.spring.dependency-management") version "1.1.0"
 	kotlin("jvm") version "1.7.21"
 	kotlin("plugin.spring") version "1.7.21"