Merge branch '2.3.x'

Closes gh-21891

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

@@ -19,8 +19,8 @@ dependencies {
 		api("com.vaadin.external.google:android-json:0.0.20131108.vaadin1")
 		api("commons-fileupload:commons-fileupload:1.4")
 		api("io.mockk:mockk:1.9.3")
-		api("io.spring.asciidoctor:spring-asciidoctor-extensions-block-switch:0.4.1.RELEASE")
-		api("io.spring.asciidoctor:spring-asciidoctor-extensions-spring-boot:0.4.1.RELEASE")
+		api("io.spring.asciidoctor:spring-asciidoctor-extensions-block-switch:0.4.3.RELEASE")
+		api("io.spring.asciidoctor:spring-asciidoctor-extensions-spring-boot:0.4.3.RELEASE")
 		api("jline:jline:2.11")
 		api("net.java.dev.jna:jna-platform:5.5.0")
 		api("net.sf.jopt-simple:jopt-simple:5.0.4")