Update mockito to v3.3.1

Author: renovate-bot

pom.xml

@@ -71,7 +71,7 @@
     <restdocs-api-spec.version>0.9.6</restdocs-api-spec.version>
     <junit.version>5.6.0</junit.version>
     <assertj.version>3.15.0</assertj.version>
-    <mockito.version>3.3.0</mockito.version>
+    <mockito.version>3.3.1</mockito.version>
   </properties>
 
   <modules>