[Spring Scheduling] Support Virtual Threads

[jakobjoachim]

Spring uses a different TaskScheduler when using virtual threads. See the org.springframework.boot.autoconfigure.task.TaskSchedulerConfiguration below:

static class TaskSchedulerConfiguration {
        @Bean(name = "taskScheduler")
        @ConditionalOnThreading(Threading.VIRTUAL)
        SimpleAsyncTaskScheduler taskSchedulerVirtualThreads(SimpleAsyncTaskSchedulerBuilder builder) {
	        return builder.build();
        }
        
        @Bean
        @SuppressWarnings({ "deprecation", "removal" })
        @ConditionalOnThreading(Threading.PLATFORM)
        ThreadPoolTaskScheduler taskScheduler(org.springframework.boot.task.TaskSchedulerBuilder taskSchedulerBuilder,
		        ObjectProvider<ThreadPoolTaskSchedulerBuilder> threadPoolTaskSchedulerBuilderProvider) {
	        ThreadPoolTaskSchedulerBuilder threadPoolTaskSchedulerBuilder = threadPoolTaskSchedulerBuilderProvider
		        .getIfUnique();
	        if (threadPoolTaskSchedulerBuilder != null) {
		        return threadPoolTaskSchedulerBuilder.build();
	        }
	        return taskSchedulerBuilder.build();
        }
}

This Change adds the SimpleAsyncTaskScheduler to the instrumented classes

[linux-foundation-easycla]

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