Document @Bean alternatives to ScheduledExecutor and ThreadPoolExecutor FactoryBean types [SPR-8131]

[spring-projects-issues]

Chris Beams opened SPR-8131 and commented

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This issue is a sub-task of #12076

Issue Links:

• Investigate SchedulerBeanDefinitionParser (task:scheduler) [SPR-8157] #12808 Investigate SchedulerBeanDefinitionParser (task:scheduler)
• Provide @Configuration support for scheduled tasks [SPR-8262] #12910 Provide @Configuration support for scheduled tasks