Update to Spring Boot 3.4.0

See gh-1596

Author: sullis

initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/ProjectGeneratorIntegrationTests.java

@@ -47,7 +47,7 @@
  */
 class ProjectGeneratorIntegrationTests {
 
-	private static final String SPRING_BOOT_VERSION = "3.3.0";
+	private static final String SPRING_BOOT_VERSION = "3.4.0";
 
 	private static final String JAVA_VERSION = "17";
 

initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/build/gradle/GradleKtsProjectGenerationConfigurationTests.java

@@ -68,7 +68,7 @@ void setup(@TempDir Path directory) {
 	}
 
 	static Stream<Arguments> supportedPlatformVersions() {
-		return Stream.of(Arguments.arguments("3.3.0"), Arguments.arguments("3.4.0-RC1"));
+		return Stream.of(Arguments.arguments("3.3.0"), Arguments.arguments("3.4.0"));
 	}
 
 	@ParameterizedTest(name = "Spring Boot {0}")
@@ -87,8 +87,7 @@ void buildWriterIsContributed(String platformVersion) {
 	}
 
 	static Stream<Arguments> gradleWrapperParameters() {
-		return Stream.of(Arguments.arguments("3.3.0", GRADLE_VERSION),
-				Arguments.arguments("3.4.0-RC1", GRADLE_VERSION));
+		return Stream.of(Arguments.arguments("3.3.0", GRADLE_VERSION), Arguments.arguments("3.4.0", GRADLE_VERSION));
 	}
 
 	@ParameterizedTest(name = "Spring Boot {0}")

initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/build/gradle/GradleProjectGenerationConfigurationTests.java

@@ -87,8 +87,7 @@ void buildWriterIsContributed(String platformVersion) {
 	}
 
 	static Stream<Arguments> gradleWrapperParameters() {
-		return Stream.of(Arguments.arguments("3.3.0", GRADLE_VERSION),
-				Arguments.arguments("3.4.0-RC1", GRADLE_VERSION));
+		return Stream.of(Arguments.arguments("3.3.0", GRADLE_VERSION), Arguments.arguments("3.4.0", GRADLE_VERSION));
 	}
 
 	@ParameterizedTest(name = "Spring Boot {0}")

initializr-parent/pom.xml

@@ -35,7 +35,7 @@
 		<commons-text.version>1.12.0</commons-text.version>
 		<maven.version>3.9.6</maven.version>
 		<maven-resolver.version>1.9.20</maven-resolver.version>
-		<spring-boot.version>3.3.6</spring-boot.version>
+		<spring-boot.version>3.4.0</spring-boot.version>
 		<spring-cloud-contract.version>4.1.2</spring-cloud-contract.version>
 	</properties>
 	<scm>