feat: Remove Node 18 support (#3212)

BREAKING CHANGE: Removes support for Node 18.

Author: mtrezza

.github/workflows/ci-automated-check-environment.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
           cache: npm
       - name: Install dependencies
         run: npm ci

.github/workflows/ci.yml

@@ -102,8 +102,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - name: Node 18
-            NODE_VERSION: 18.20.4
           - name: Node 20
             NODE_VERSION: 20.18.0
           - name: Node 22

README.md

@@ -6,7 +6,7 @@
 [![Build Status](https://github.com/parse-community/parse-dashboard/workflows/ci/badge.svg?branch=release)](https://github.com/parse-community/parse-dashboard/actions?query=workflow%3Aci+branch%3Arelease)
 [![Snyk Badge](https://snyk.io/test/github/parse-community/parse-dashboard/badge.svg)](https://snyk.io/test/github/parse-community/parse-dashboard)
 
-[![Node Version](https://img.shields.io/badge/nodejs-18,_20,_22,_24-green.svg?logo=node.js&style=flat)](https://nodejs.org/)
+[![Node Version](https://img.shields.io/badge/nodejs-20,_22,_24-green.svg?logo=node.js&style=flat)](https://nodejs.org/)
 [![auto-release](https://img.shields.io/badge/%F0%9F%9A%80-auto--release-9e34eb.svg)](https://github.com/parse-community/parse-dashboard/releases)
 
 [![npm latest version](https://img.shields.io/npm/v/parse-dashboard/latest.svg)](https://www.npmjs.com/package/parse-dashboard)
@@ -164,7 +164,6 @@ Parse Dashboard is continuously tested with the most recent releases of Node.js
 
 | Version    | Minimum version | End-of-Life | Compatible |
 |------------|----------------|-------------|------------|
-| Node.js 18 | 18.20.4        | May 2025    | ✅ Yes      |
 | Node.js 20 | 20.18.0        | April 2026  | ✅ Yes      |
 | Node.js 22 | 22.9.0         | April 2027  | ✅ Yes      |
 | Node.js 24 | 24.0.0         | April 2028  | ✅ Yes      |

package-lock.json

@@ -155,7 +155,7 @@
     "parse-dashboard": "./bin/parse-dashboard"
   },
   "engines": {
-    "node": ">=18.20.4 <19.0.0 || >=20.18.0 <21.0.0 || >=22.12.0 <23.0.0 || >=24.0.0 <25.0.0"
+    "node": ">=20.18.0 <21.0.0 || >=22.12.0 <23.0.0 || >=24.0.0 <25.0.0"
   },
   "main": "Parse-Dashboard/app.js",
   "jest": {