Upgrade to Neo4j OGM 2.1.1

Closes gh-8025

spring-boot-dependencies/pom.xml

@@ -138,7 +138,7 @@
 		<mysql.version>5.1.40</mysql.version>
 		<narayana.version>5.5.0.Final</narayana.version>
 		<nekohtml.version>1.9.22</nekohtml.version>
-		<neo4j-ogm.version>2.1.0</neo4j-ogm.version>
+		<neo4j-ogm.version>2.1.1</neo4j-ogm.version>
 		<postgresql.version>9.4.1212.jre7</postgresql.version>
 		<querydsl.version>4.1.4</querydsl.version>
 		<reactor.version>2.0.8.RELEASE</reactor.version>