Upgrade to RxJava 3.0.12.

See #1426

Author: mp911de

parent/pom.xml

@@ -122,7 +122,7 @@
 		<rxjava>1.3.8</rxjava>
 		<rxjava-reactive-streams>1.2.1</rxjava-reactive-streams>
 		<rxjava2>2.2.21</rxjava2>
-		<rxjava3>3.0.11</rxjava3>
+		<rxjava3>3.0.12</rxjava3>
 		<slf4j>1.7.26</slf4j>
 		<spring>5.3.6-SNAPSHOT</spring>
 		<spring-hateoas>1.2.5</spring-hateoas>