DATAGRAPH-1117 - Provide up to date version of XSD schemas.

* Update spring.schemas file to make unqualified schema point to latest

spring-data-neo4j/src/main/resources/META-INF/spring.schemas

@@ -1,2 +1,2 @@
 http\://www.springframework.org/schema/data/neo4j/spring-neo4j-4.2.xsd=org/springframework/data/neo4j/repository/config/spring-neo4j-4.2.xsd
-http\://www.springframework.org/schema/data/neo4j/spring-neo4j.xsd=org/springframework/data/neo4j/repository/config/spring-neo4j-4.2.xsd
+http\://www.springframework.org/schema/data/neo4j/spring-neo4j.xsd=org/springframework/data/neo4j/repository/config/spring-neo4j-5.0.xsd