fix(deps): update dependency org.mockito:mockito-junit-jupiter to v5.15.2

Author: renovate[bot]

build.gradle

@@ -9,7 +9,7 @@ plugins {
 
 ext{
     commercetoolsJavaSdkV2Version = '17.18.0'
-    mockitoJunitJupiterVersion = '5.14.2'
+    mockitoJunitJupiterVersion = '5.15.2'
     jupiterApiVersion = '5.11.3'
     assertjVersion = '3.26.3'
     pmdVersion = '7.7.0'