docs: Update node in README

Co-authored-by: Manuel <[email protected]>

Author: Christopher Brookes

README.md

@@ -44,7 +44,7 @@ Parse Dashboard is a standalone dashboard for managing your [Parse Server](https
 
 # Getting Started
 
-[Node.js](https://nodejs.org) version >= 8.9 is required to run the dashboard. You also need to be using Parse Server version 2.1.4 or higher.
+[Node.js](https://nodejs.org) version >= 12 is required to run the dashboard. You also need to be using Parse Server version 2.1.4 or higher.
 
 # Local Installation