DEVELOPERS.md versions updated (#22874)

* updated DEVELOPERS.md documentation versions

* updated DEVELOPERS.md documentation versions

* npm 10 -> 9 and or higher

* version has to be 20 LTS, not higher

DEVELOPERS.md

@@ -1,6 +1,7 @@
 # Developing Supabase
 
 - [Developing Supabase](#developing-supabase)
+
   - [Getting started](#getting-started)
     - [Install dependencies](#install-dependencies)
   - [Local development](#local-development)
@@ -11,8 +12,8 @@
       - [Shared components](#shared-components)
       - [Installing packages](#installing-packages)
   - [Running Docker for Supabase Studio](#running-docker-for-supabase-studio)
-      - [Prerequsites](#prerequsites)
-      - [Get Started](#get-started)
+    - [Prerequsites](#prerequsites)
+    - [Get Started](#get-started)
   - [Create a pull request](#create-a-pull-request)
   - [Issue assignment](#issue-assignment)
   - [Common tasks](#common-tasks)
@@ -36,8 +37,8 @@ To ensure a positive and inclusive environment, please read our [code of conduct
 You will need to install and configure the following dependencies on your machine to build [Supabase](https://supabase.com):
 
 - [Git](http://git-scm.com/)
-- [Node.js v18.x (LTS)](http://nodejs.org)
-- [npm](https://www.npmjs.com/) version 9.x.x
+- [Node.js v20.x (LTS)](http://nodejs.org)
+- [npm](https://www.npmjs.com/) version 9.x.x or higher
 - [Docker](https://docs.docker.com/get-docker/) (to run studio locally)
 
 ## Local development