Upgrade to Groovy 3.0.1, RxJava 2.2.18, Hibernate ORM 5.4.12, Protobuf 3.11.4

Author: jhoeller

build.gradle

@@ -52,7 +52,7 @@ configure(allprojects) { project ->
 				entry 'aspectjweaver'
 			}
 			// If customJavaHome has been set, we assume we need Groovy 3.0 for testing purposes.
-			dependencySet(group: 'org.codehaus.groovy', version: System.getProperty("customJavaHome") ?  '3.0.0' : '2.5.9') {
+			dependencySet(group: 'org.codehaus.groovy', version: System.getProperty("customJavaHome") ?  '3.0.1' : '2.5.9') {
 				entry 'groovy'
 				entry 'groovy-jsr223'
 				entry 'groovy-templates'
@@ -62,8 +62,7 @@ configure(allprojects) { project ->
 
 			dependency "io.reactivex:rxjava:1.3.8"
 			dependency "io.reactivex:rxjava-reactive-streams:1.2.1"
-			dependency "io.reactivex.rxjava2:rxjava:2.2.17"
-
+			dependency "io.reactivex.rxjava2:rxjava:2.2.18"
 			dependency "io.projectreactor.tools:blockhound:1.0.2.RELEASE"
 
 			dependency "com.caucho:hessian:4.0.62"
@@ -72,7 +71,7 @@ configure(allprojects) { project ->
 				exclude group: "stax", name: "stax-api"
 			}
 			dependency "com.google.code.gson:gson:2.8.6"
-			dependency "com.google.protobuf:protobuf-java-util:3.11.1"
+			dependency "com.google.protobuf:protobuf-java-util:3.11.4"
 			dependency "com.googlecode.protobuf-java-format:protobuf-java-format:1.4"
 			dependency("com.thoughtworks.xstream:xstream:1.4.11.1") {
 				exclude group: "xpp3", name: "xpp3_min"
@@ -118,7 +117,7 @@ configure(allprojects) { project ->
 			dependency "net.sf.ehcache:ehcache:2.10.6"
 			dependency "org.ehcache:jcache:1.0.1"
 			dependency "org.ehcache:ehcache:3.4.0"
-			dependency "org.hibernate:hibernate-core:5.4.11.Final"
+			dependency "org.hibernate:hibernate-core:5.4.12.Final"
 			dependency "org.hibernate:hibernate-validator:6.1.2.Final"
 			dependency "org.webjars:webjars-locator-core:0.43"
 			dependency "org.webjars:underscorejs:1.8.3"