text: Title: Problem with Twisted AttributeError: 'EPollReactor' object has no attribute '_handleSignals'
  Body: ### Description
  
  Since the release of Twisted 23.8.0 recently, I've had problems running Scrapy. I had to fix to the previous version, Twisted==22.10.0
  
  ### Steps to Reproduce
  
  1. Install Scrapy in a new environment
  2. Run .start() from an CrawlerProcess object
  
  **Expected behavior:** Scrapy to crawl
  
  **Actual behavior:** 
  ![image](https://github.com/scrapy/scrapy/assets/14026017/4d769673-52ee-4039-887f-c810017d48e2)
  
  **Reproduces how often:** Always in the new version
  
  ### Versions
  
  Scrapy>=2.9.0
  
  ### Additional context
  
  I've seen this fix on [stackoverflow](https://stackoverflow.com/questions/76995567/error-when-crawl-data-epollreactor-object-has-no-attribute-handlesignals)
  