Build against Spring Integration 5.3.0.M1 snapshots

See gh-19650

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/integration/IntegrationGraphEndpointWebIntegrationTests.java

@@ -36,7 +36,7 @@ class IntegrationGraphEndpointWebIntegrationTests {
 	void graph(WebTestClient client) {
 		client.get().uri("/actuator/integrationgraph").accept(MediaType.APPLICATION_JSON).exchange().expectStatus()
 				.isOk().expectBody().jsonPath("contentDescriptor.providerVersion").isNotEmpty()
-				.jsonPath("contentDescriptor.providerFormatVersion").isEqualTo(1.1f)
+				.jsonPath("contentDescriptor.providerFormatVersion").isEqualTo(1.2f)
 				.jsonPath("contentDescriptor.provider").isEqualTo("spring-integration");
 	}
 

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -1684,7 +1684,7 @@ bom {
 			]
 		}
 	}
-	library('Spring Integration', '5.2.2.RELEASE') {
+	library('Spring Integration', '5.3.0.BUILD-SNAPSHOT') {
 		group('org.springframework.integration') {
 			modules = [
 				'spring-integration-http' {