Upgrade to Hibernate Validator 5.3 CR1 (and Protobuf 3.0.2)

Issue: SPR-13965

Author: jhoeller

build.gradle

@@ -48,7 +48,7 @@ configure(allprojects) { project ->
 	ext.gsonVersion            = "2.7"
 	ext.hamcrestVersion        = "1.3"
 	ext.hibernate5Version      = "5.2.2.Final"
-	ext.hibval5Version         = "5.2.4.Final"
+	ext.hibval5Version         = "5.3.0.CR1"
 	ext.hsqldbVersion          = "2.3.4"
 	ext.httpasyncVersion       = "4.1.2"
 	ext.httpclientVersion      = "4.5.2"
@@ -72,7 +72,7 @@ configure(allprojects) { project ->
 	ext.okhttpVersion          = "2.7.5"
 	ext.okhttp3Version         = "3.4.1"
 	ext.poiVersion             = "3.14"
-	ext.protobufVersion        = "3.0.0"
+	ext.protobufVersion        = "3.0.2"
 	ext.quartzVersion          = "2.2.3"
 	ext.reactivestreamsVersion = "1.0.0"
 	ext.reactorVersion         = "2.0.8.RELEASE"