[SCB-2490] Bump mockito from 3.5.0 to 4.0.0 (#3133)

diff --git a/dependencies/default/pom.xml b/dependencies/default/pom.xml
index 37dc1a6..def810a 100644
--- a/dependencies/default/pom.xml
+++ b/dependencies/default/pom.xml
@@ -71,7 +71,7 @@
     <log4j.version>1.2.17</log4j.version>
     <log4j2.version>2.17.2</log4j2.version>
     <logback.version>1.2.11</logback.version>
-    <mockito.version>3.5.0</mockito.version>
+    <mockito.version>4.0.0</mockito.version>
     <mock-server.version>5.13.2</mock-server.version>
     <netflix-commons.version>0.3.0</netflix-commons.version>
     <netty.version>4.1.78.Final</netty.version>