Add metadata entry for spring.main.register-shutdown-hook

See gh-18581

spring-boot-project/spring-boot/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -629,6 +629,13 @@
       "sourceType": "org.springframework.boot.SpringApplication",
       "description": "Flag to explicitly request a specific type of web application. If not set, auto-detected based on the classpath."
     },
+    {
+      "name": "spring.main.register-shutdown-hook",
+      "type": "java.lang.Boolean",
+      "sourceType": "org.springframework.boot.SpringApplication",
+      "description": "Whether shutdown hooks are automatically registered when Spring Boot start. If not set, they are automatically registered.",
+      "defaultValue": true
+    },
     {
       "name": "spring.main.web-environment",
       "type": "java.lang.Boolean",