fix(deps): update dependency org.mockito:mockito-junit-jupiter to v5.12.0

Author: renovate[bot]

build.gradle

@@ -11,7 +11,7 @@ plugins {
 
 ext{
     commercetoolsJavaSdkV2Version = '17.10.0'
-    mockitoJunitJupiterVersion = '5.11.0'
+    mockitoJunitJupiterVersion = '5.12.0'
     jupiterApiVersion = '5.10.2'
     assertjVersion = '3.25.3'
     pmdVersion = '7.1.0'