ORC-2135: Upgrade mockito to 5.23.0

Author: dongjoon-hyun

java/pom.xml

@@ -84,7 +84,7 @@
     <maven.compiler.useIncrementalCompilation>false</maven.compiler.useIncrementalCompilation>
     <maven.version>3.9.14</maven.version>
 
-    <mockito.version>5.21.0</mockito.version>
+    <mockito.version>5.23.0</mockito.version>
     <orc-format.version>1.1.1</orc-format.version>
     <!-- Build Properties -->
     <project.build.outputTimestamp>2025-07-08T15:22:41Z</project.build.outputTimestamp>