build: bump to Node.js 18 and Yarn 4

.github/CONTRIBUTING.md

@@ -8,7 +8,7 @@ Start by cloning this repository.
 $ git clone [email protected]:LinkedSoftwareDependencies/Components-Generator.js.git
 ```
 
-This project requires [Node.js](https://nodejs.org/en/) `>=16.9` and [Yarn](https://yarnpkg.com/) `>=3.2.4` to be installed. Preferable, use the Yarn version provided and managed by Node.js' integrated [CorePack](https://yarnpkg.com/corepack) by running `corepack enable`.
+This project requires [Node.js](https://nodejs.org/en/) `>=18.12` and [Yarn](https://yarnpkg.com/) `>=4` to be installed. Preferable, use the Yarn version provided and managed by Node.js' integrated [CorePack](https://yarnpkg.com/corepack) by running `corepack enable`.
 
 After that, you can install the project by running `yarn install`. This will automatically also run `yarn build`, which you can run again at any time to compile any changed code.
 

.github/workflows/ci.yml

@@ -23,7 +23,6 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
         node-version:
-          - 16.x
           - 18.x
           - 20.x
           - 21.x

.nvmrc

@@ -1 +1 @@
-16
+18

package.json

@@ -3,9 +3,9 @@
   "version": "3.1.2",
   "description": "Automatically generate component files from TypeScript classes for the Components.js dependency injection framework",
   "main": "index.js",
-  "packageManager": "yarn@3.4.1",
+  "packageManager": "yarn@4.0.1",
   "engines": {
-    "node": ">=16.9"
+    "node": ">=18.12"
   },
   "scripts": {
     "build": "tsc",