bugfix update spring boot

Author: mfleisch

build.gradle

@@ -94,7 +94,7 @@ ext {
     jakarta_annotation_version = "3.0.0"
 
 
-    spring_boot_version = "3.4.8"
+    spring_boot_version = "3.4.9"
     springdoc_version = "2.8.9"
 
     auth0_version = '3.16.0'