[nutanix] Review support policies

[marcwrobel]

Link to product page on endoflife.date

https://endoflife.date/nutanix-aos, possibly other nutanix products.

Details of incorrect and correct details you have found

Release policy is wrong: Nutanix update it's documentation and they don't mention STS / LTS anymore for NUtanix AOS. There are possibly other changer (did not look in details).

What is the source website for the product and for its version information?

https://www.nutanix.com/support-services/product-support/support-policies-and-faqs

Additional context

Cadences already updated with #7375.