feat(doc): change incubation message into graduation

README.md

@@ -3,7 +3,7 @@
 [![Node.js CI](https://github.com/Green-Software-Foundation/if/actions/workflows/nodejs-ci.yml/badge.svg)](https://github.com/Green-Software-Foundation/if/actions/workflows/nodejs-ci.yml)
 
 > [!IMPORTANT]
-> Incubation Project: This project is an incubation project being run inside the Green Software Foundation; as such, we DON’T recommend using it in any critical use case. Incubation projects are experimental, offer no support guarantee, have minimal governance and process, and may be retired at any moment. This project may one day Graduate, in which case this disclaimer will be removed.
+> Graduated Project: This project is a Graduated Project, supported by the Green Software Foundation. The publicly available version documented in the README is trusted by the GSF. New versions of the project may be released, or it may move to the Maintained or Retired Stage at any moment.
 
 **Our documentation is online at [if.greensoftware.foundation](https://if.greensoftware.foundation/)**