SLING-11324 Investigate issue with JaCoCo

readd Java 11
diff --git a/.sling-module.json b/.sling-module.json
index bfdb4e5..3f2b4e4 100644
--- a/.sling-module.json
+++ b/.sling-module.json
@@ -1,7 +1,8 @@
 {
   "jenkins": {
     "jdks": [
-      17
+      17,
+      11
     ]
   }
 }