Upgrade to RxJava 3.1.8.

See #2122

Author: jxblum

parent/pom.xml

@@ -125,7 +125,7 @@
 		<querydsl>5.0.0</querydsl>
 		<reactor>2023.0.0-M3</reactor>
 		<rxjava2>2.2.21</rxjava2>
-		<rxjava3>3.1.7</rxjava3>
+		<rxjava3>3.1.8</rxjava3>
 		<smallrye-mutiny>1.10.0</smallrye-mutiny>
 		<slf4j>2.0.2</slf4j>
 		<spring>6.1.0-M5</spring>