fix(deps): update dependency org.springframework.boot:spring-boot-gradle-plugin to v4

renovate[bot] · web-flow · commit 2ce6217f78be · 2025-12-18T22:47:32.000Z
diff --git a/notification-portlet-webapp/build.gradle b/notification-portlet-webapp/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        springBootVersion = '1.5.22.RELEASE'
+        springBootVersion = '4.0.1'
     }
     repositories {
         mavenCentral()
