Update OpenJDK version in README

mini-lee-tpi · web-flow · commit 71d8000c29fe · 2025-12-26T16:06:39.000+08:00
diff --git a/readme.md b/readme.md
@@ -262,7 +262,7 @@ Enjoy your hands-on experience with digiRunner! 💡
 
 ### Pre-requisites
 
-- OpenJDK 21
+- OpenJDK 25
 
 ---
 
