Upgrade to Flyway 5.2.3

Closes gh-15337

Author: wilkinsona

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

@@ -59,7 +59,7 @@
 		<ehcache.version>2.10.6</ehcache.version>
 		<ehcache3.version>3.6.2</ehcache3.version>
 		<embedded-mongo.version>2.1.1</embedded-mongo.version>
-		<flyway.version>5.2.1</flyway.version>
+		<flyway.version>5.2.3</flyway.version>
 		<freemarker.version>2.3.28</freemarker.version>
 		<elasticsearch.version>6.4.3</elasticsearch.version>
 		<glassfish-el.version>3.0.0</glassfish-el.version>