Bump to springboot 3.5 (#3)

build.gradle

@@ -1,7 +1,7 @@
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.4.3'
-    id 'io.spring.dependency-management' version '1.1.7'
+    id 'org.springframework.boot' version '3.5.+'
+    id 'io.spring.dependency-management' version '1.1.+'
 }
 
 group = 'com.danielbohry'