Use ordered TaskExecutorCustomizers

Use an ordered stream in `TaskExecutionAutoConfiguration` when
obtaining the TaskExecutor customizers.

See gh-18333

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutionAutoConfiguration.java

@@ -75,7 +75,7 @@ public TaskExecutorBuilder taskExecutorBuilder() {
 		builder = builder.allowCoreThreadTimeOut(pool.isAllowCoreThreadTimeout());
 		builder = builder.keepAlive(pool.getKeepAlive());
 		builder = builder.threadNamePrefix(this.properties.getThreadNamePrefix());
-		builder = builder.customizers(this.taskExecutorCustomizers);
+		builder = builder.customizers(this.taskExecutorCustomizers.orderedStream()::iterator);
 		builder = builder.taskDecorator(this.taskDecorator.getIfUnique());
 		return builder;
 	}