Update Pulsar Reactive Client to 0.5.2

* Also updates mockito to 5.9.0

Resolves #540

Author: onobc

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ micrometer-docs-gen = "1.0.2"
 micrometer-tracing = "1.2.2"
 protobuf = "3.21.5"
 pulsar = "3.1.2"
-pulsar-reactive = "0.5.1"
+pulsar-reactive = "0.5.2"
 reactor = "2023.0.2"
 spring = "6.1.3"
 # tests
@@ -22,7 +22,7 @@ jacoco = "0.8.9"
 json-path = "2.8.0"
 junit = "5.10.1"
 hamcrest = "2.2"
-mockito = "5.8.0"
+mockito = "5.9.0"
 spring-dep-mgmt = "1.1.4"
 spring-boot = "3.2.2-SNAPSHOT"
 spring-boot-for-docs = "3.2.2-SNAPSHOT"