fix(deps): update junit5 monorepo to v5.12.1

Author: renovate[bot]

build.gradle

@@ -11,7 +11,7 @@ plugins {
 ext{
     commercetoolsJavaSdkV2Version = '17.28.0'
     mockitoJunitJupiterVersion = '5.16.1'
-    jupiterApiVersion = '5.11.3'
+    jupiterApiVersion = '5.12.1'
     assertjVersion = '3.26.3'
     pmdVersion = '7.7.0'
     jacocoVersion = '0.8.12'