Upgrade to Mockito 3.6.0.

Author: jxblum

gradle.properties

@@ -3,7 +3,7 @@ apacheGeodeVersion=1.9.2
 assertjVersion=3.18.0
 junitVersion=4.13.1
 lombokVersion=1.18.16
-mockitoVersion=3.3.3
+mockitoVersion=3.6.0
 multithreadedtcVersion=1.01
 pivotalGemFireVersion=9.8.7
 springVersion=5.2.5.RELEASE

pom.xml

@@ -89,7 +89,7 @@
 		<log4j.version>2.12.1</log4j.version>
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.18.16</lombok.version>
-		<mockito.version>3.3.3</mockito.version>
+		<mockito.version>3.6.0</mockito.version>
 		<multithreadedtc.version>1.01</multithreadedtc.version>
 <!--		<pivotal-gemfire.version>9.8.7</pivotal-gemfire.version>-->
 		<spring.version>5.2.5.RELEASE</spring.version>