Upgrade to RxJava 2.2.20, OpenPDF 1.3.24, HtmlUnit 2.46

Author: jhoeller

build.gradle

@@ -63,7 +63,7 @@ configure(allprojects) { project ->
 
 			dependency "io.reactivex:rxjava:1.3.8"
 			dependency "io.reactivex:rxjava-reactive-streams:1.2.1"
-			dependency "io.reactivex.rxjava2:rxjava:2.2.19"
+			dependency "io.reactivex.rxjava2:rxjava:2.2.20"
 			dependency "io.reactivex.rxjava3:rxjava:3.0.9"
 			dependency "io.projectreactor.tools:blockhound:1.0.4.RELEASE"
 
@@ -96,7 +96,7 @@ configure(allprojects) { project ->
 
 			dependency "com.h2database:h2:1.4.200"
 			dependency "com.github.ben-manes.caffeine:caffeine:2.8.8"
-			dependency "com.github.librepdf:openpdf:1.3.23"
+			dependency "com.github.librepdf:openpdf:1.3.24"
 			dependency "com.rometools:rome:1.15.0"
 			dependency "commons-io:commons-io:2.5"
 			dependency "io.vavr:vavr:0.10.3"
@@ -205,10 +205,10 @@ configure(allprojects) { project ->
 			}
 			dependency "io.mockk:mockk:1.10.2"
 
-			dependency("net.sourceforge.htmlunit:htmlunit:2.45.0") {
+			dependency("net.sourceforge.htmlunit:htmlunit:2.46.0") {
 				exclude group: "commons-logging", name: "commons-logging"
 			}
-			dependency("org.seleniumhq.selenium:htmlunit-driver:2.45.0") {
+			dependency("org.seleniumhq.selenium:htmlunit-driver:2.46.0") {
 				exclude group: "commons-logging", name: "commons-logging"
 			}
 			dependency("org.seleniumhq.selenium:selenium-java:3.141.59") {