Merge pull request #240 from mraible/dependabot/gradle/reactive/spring-boot/org.springframework.boot-4.0.2

Bump org.springframework.boot from 3.5.7 to 4.0.2 in /reactive/spring-boot

Author: mraible

reactive/spring-boot/build.gradle

@@ -1,6 +1,6 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.5.7'
+	id 'org.springframework.boot' version '4.0.2'
 	id 'io.spring.dependency-management' version '1.1.7'
 	id 'org.graalvm.buildtools.native' version '0.11.4'
 }
@@ -9,7 +9,7 @@ group = 'com.example.rest'
 version = '0.0.1-SNAPSHOT'
 
 java {
-	sourceCompatibility = '17'
+	sourceCompatibility = '21'
 }
 
 repositories {