update mockito (and bytebuddy) for java21 compat

Author: jeromevdl

pom.xml

@@ -91,7 +91,7 @@
         <aws-embedded-metrics.version>4.1.2</aws-embedded-metrics.version>
         <jmespath.version>0.6.0</jmespath.version>
         <elastic.version>1.6.0</elastic.version>
-        <mockito.version>5.6.0</mockito.version>
+        <mockito.version>5.12.0</mockito.version>
 
         <!-- As we have a .mvn directory at the root of the project, this will evaluate to the root directory
             regardless of where maven is run - sub-module, or root. -->
@@ -469,16 +469,6 @@
                     <autoReleaseAfterClose>true</autoReleaseAfterClose>
                 </configuration>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <configuration>
-                    <systemPropertyVariables>
-                        <!-- TODO: remove when updating mockito / bytebuddy with Java21 compat -->
-                        <net.bytebuddy.experimental>true</net.bytebuddy.experimental>
-                    </systemPropertyVariables>
-                </configuration>
-            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>