Polish initial Gradle setup.

initial/build.gradle

@@ -1,22 +1,26 @@
 plugins {
-	id 'org.springframework.boot' version '2.7.1'
-	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
 	id 'java'
+	id 'org.springframework.boot' version '3.1.2'
+	id 'io.spring.dependency-management' version '1.1.2'
 }
 
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '1.8'
+java {
+	sourceCompatibility = '17'
+}
 
 repositories {
 	mavenCentral()
 }
 
 dependencies {
-	implementation 'org.springframework.boot:spring-boot-starter'
+	implementation ('org.springframework.boot:spring-boot-starter-web-services') {
+		exclude group: 'org.springframework.boot', module: 'spring-boot-starter-tomcat'
+	}
 	testImplementation('org.springframework.boot:spring-boot-starter-test')
 }
 
-test {
+tasks.named('test') {
 	useJUnitPlatform()
 }