Update Node version to 20 (#617)

* Update Node version to 20

* undo unwanted change

.github/workflows/deploy-to-dotorg.yml

@@ -21,7 +21,7 @@ jobs:
             - name: Set up Node.js
               uses: actions/setup-node@v3
               with:
-                  node-version: 18
+                  node-version: 20
             - name: Install node dependencies
               run: npm install
 

.github/workflows/release-new-version.yml

@@ -24,7 +24,7 @@ jobs:
 
             - uses: actions/setup-node@v3
               with:
-                  node-version: 18
+                  node-version: 20
 
             - name: Install node dependencies
               run: npm install

.nvmrc

@@ -1 +1 @@
-18
+20

CONTRIBUTING.md

@@ -16,7 +16,7 @@ The basic setup for development is:
 
 #### Prerequisites
 
--   [Node.js](https://nodejs.org/en/) (v16.9.1)
+-   [Node.js](https://nodejs.org/en/) (>= v20.10.0)
 -   [Composer](https://getcomposer.org/) (used for linting PHP)
 -   WordPress Development Site, such as [wp-env](https://github.com/WordPress/gutenberg/blob/trunk/packages/env/README.md) or [Local](https://localwp.com/)
 -   We recommend using [Node Version Manager](https://github.com/nvm-sh/nvm) (nvm) to manage your Node.js versions

package.json

@@ -15,8 +15,8 @@
 		"url": "https://wordpress.org/support/plugin/create-block-theme/"
 	},
 	"engines": {
-		"node": ">=18",
-		"npm": ">=9"
+		"node": ">=20.10.0",
+		"npm": ">=10.2.3"
 	},
 	"dependencies": {
 		"@codemirror/lang-json": "^6.0.1",