Upgrade Reactor to 2020.0.18.

Closes #1710

Author: mp911de

parent/pom.xml

@@ -119,7 +119,7 @@
 		<mockito>4.4.0</mockito>
 		<mockk>1.12.3</mockk>
 		<querydsl>5.0.0</querydsl>
-		<reactor>2020.0.17</reactor>
+		<reactor>2020.0.18</reactor>
 		<rxjava>1.3.8</rxjava>
 		<rxjava-reactive-streams>1.2.1</rxjava-reactive-streams>
 		<rxjava2>2.2.21</rxjava2>