Support Spring Boot 4.0

[XhstormR]

将 com.ctrip.framework.apollo:apollo-client-config-data:2.4.0 与 spring-boot 4.0.0 一起使用， 启动报错 java.lang.NoSuchMethodError:

Caused by: java.lang.NoSuchMethodError: 'org.springframework.boot.ConfigurableBootstrapContext org.springframework.boot.context.event.ApplicationStartingEvent.getBootstrapContext()'
	at com.ctrip.framework.apollo.config.data.listener.ApolloSpringApplicationRegisterListener.onApplicationEvent(ApolloSpringApplicationRegisterListener.java:33)
	at com.ctrip.framework.apollo.config.data.listener.ApolloSpringApplicationRegisterListener.onApplicationEvent(ApolloSpringApplicationRegisterListener.java:28)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:180)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:173)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:151)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:133)
	at org.springframework.boot.context.event.EventPublishingRunListener.multicastInitialEvent(EventPublishingRunListener.java:137)

Spring Boot 4.0 包名变了：
org.springframework.boot.ConfigurableBootstrapContext
->
org.springframework.boot.bootstrap.ConfigurableBootstrapContext

https://github.com/spring-projects/spring-boot/releases/tag/v4.0.0