Bump io.reactivex.rxjava to 3.x (#504)

Prashant

30.18.2025 a164e9cd3f00ca774e03b201accf521f23ab7da1

 opendj-grizzly/pom.xml

@@ -51,6 +51,10 @@
                     <groupId>io.reactivex.rxjava2</groupId>
                     <artifactId>rxjava</artifactId>
                  </exclusion>
                  <exclusion>
                     <groupId>io.reactivex.rxjava3</groupId>
                     <artifactId>rxjava</artifactId>
                  </exclusion>
            </exclusions>
        </dependency>