Bump org.mockito:mockito-bom from 5.14.2 to 5.15.2 (#779)

pom.xml

@@ -100,7 +100,7 @@
     <jspecify.version>1.0.0</jspecify.version>
     <junit.version>5.11.4</junit.version>
     <memoryfilesystem.version>2.8.1</memoryfilesystem.version>
-    <mockito.version>5.14.2</mockito.version>
+    <mockito.version>5.15.2</mockito.version>
     <slf4j.version>2.0.16</slf4j.version>
 
     <!-- Plugins -->