Upgrade to Hibernate 5.4.18.Final

Closes gh-22055

Author: wilkinsona

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

@@ -428,7 +428,7 @@ bom {
 			]
 		}
 	}
-	library("Hibernate", "5.4.17.Final") {
+	library("Hibernate", "5.4.18.Final") {
 		group("org.hibernate") {
 			modules = [
 				"hibernate-c3p0",