Bump Mockito to 4.0.0

(cherry picked from commit 15068a4)

Author: acogoluegnes

pom.xml

@@ -60,7 +60,7 @@
     <jackson.version>2.13.0</jackson.version>
     <logback.version>1.2.6</logback.version>
     <junit.version>4.13.2</junit.version>
-    <mockito.version>3.12.4</mockito.version>
+    <mockito.version>4.0.0</mockito.version>
     <assertj.version>3.21.0</assertj.version>
     <jetty.version>9.4.44.v20210927</jetty.version>
     <bouncycastle.version>1.69</bouncycastle.version>