You will have to request support from the official developers in order to find out the end of life for this product. I've checked all the available documents including FAQs, troubleshooting PDFs and brochures, but there is nowhere mentioned about it. However, if you use the software that means you are a customer. Access the page, list below to learn how to reach support and talk with a representative.
Customer Support page: https://www.juniper.net/support/requesting-support.html