Start building against Spring HATEOAS 1.0.4 snapshots

See gh-20232

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -190,7 +190,7 @@
 		<spring-cloud-connectors.version>2.0.7.RELEASE</spring-cloud-connectors.version>
 		<spring-data-releasetrain.version>Moore-SR4</spring-data-releasetrain.version>
 		<spring-framework.version>5.2.4.BUILD-SNAPSHOT</spring-framework.version>
-		<spring-hateoas.version>1.0.3.RELEASE</spring-hateoas.version>
+		<spring-hateoas.version>1.0.4.BUILD-SNAPSHOT</spring-hateoas.version>
 		<spring-integration.version>5.2.3.RELEASE</spring-integration.version>
 		<spring-kafka.version>2.3.5.RELEASE</spring-kafka.version>
 		<spring-ldap.version>2.3.2.RELEASE</spring-ldap.version>