Update node versions

Author: bilindhajer

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
   test:
     strategy:
       matrix:
-        node-version: [14, 16, 18]
+        node-version: [18, 20, 22]
     runs-on: ubuntu-22.04
     permissions:
       id-token: write

package.json

@@ -4,7 +4,7 @@
   "description": "Helper functions for assembling CloudFormation templates in JavaScript",
   "main": "index.js",
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   },
   "scripts": {
     "pretest": "npm run lint && npm run shortcuts-api-doc",