update mentions of node

Author: raclim

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     - name: Use Node.js
       uses: actions/setup-node@v1
       with:
-        node-version: '16.14.x'
+        node-version: '20.19.x'
     - run: npm install
     - run: npm run test
     - run: npm run lint

.nvmrc

@@ -1 +1 @@
-16.14.2
+20.19.2

.travis.yml

@@ -1,7 +1,7 @@
 sudo: required
 language: node_js
 node_js:
- - "16.14.2"
+ - "20.19.2"
 
 cache:
   directories:

Dockerfile

@@ -1,9 +1,9 @@
-FROM node:16.14.2 AS base
+FROM node:20.19.2 AS base
 ENV APP_HOME=/usr/src/app \
   TERM=xterm
 RUN mkdir -p $APP_HOME
 WORKDIR $APP_HOME
-EXPOSE 8000
+EXPOSE 8000 
 EXPOSE 8002
 
 FROM base AS development

contributor_docs/installation.md

@@ -18,16 +18,16 @@ If you run into any issues while setting up your environment, take some time to
 _Note_: The installation steps assume you are using a Unix-like shell. If you are using Windows, you will need to use `copy` instead of `cp`.
 
 1. Install Node.js. The recommended way is to Node through [nvm](https://github.com/nvm-sh/nvm), which is a command-line tool that helps you manage different versions of Node.js on your system. You can install nvm by using [nvm's installation guide](https://github.com/nvm-sh/nvm?tab=readme-ov-file#installing-and-updating).
-      - You can also install [node.js](https://nodejs.org/download/release/v16.14.2/) version 16.14.2 directly from the Node.js website. To check if you already have Node installed on your computer, run `$ node -v`.
+      - You can also install [node.js](https://nodejs.org/download/release/v20.19.2/) version 20.19.2 directly from the Node.js website. To check if you already have Node installed on your computer, run `$ node -v`.
 2. [Fork](https://help.github.com/articles/fork-a-repo) the [p5.js Web Editor repository](https://github.com/processing/p5.js-web-editor) into your own GitHub account.
 3. [Clone](https://help.github.com/articles/cloning-a-repository/) your new fork of the repository from GitHub onto your local computer.
 
    ```
    $ git clone https://github.com/YOUR_USERNAME/p5.js-web-editor.git
    ```
 
-4. If you are using nvm, run `$ nvm use 16.14.2` to set your Node version to 16.14.2
-5. Ensure your npm version is set to 8.5.0 by running `$ npm -v`. If it isn't, run `npm install -g npm@8.5.0` to install it. 
+4. If you are using nvm, run `$ nvm use 20.19.2` to set your Node version to 20.19.2
+5. Ensure your npm version is set to 8.5.0 by running `$ npm -v`. If it isn't, run `npm install -g npm@10.8.2` to install it. 
 6. Navigate into the project folder and install all its necessary dependencies with npm.
 
    ```