use node 20 and higher (#535)

* use node 20 and higher

* update devDependencies

Author: aeschli

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x, 22.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:

build/pipeline.yml

@@ -34,16 +34,16 @@ extends:
         testPlatforms:
           - name: Linux
             nodeVersions:
-              - 18.x
               - 20.x
+              - 22.x
           - name: MacOS
             nodeVersions:
-              - 18.x
               - 20.x
+              - 22.x
           - name: Windows
             nodeVersions:
-              - 18.x
               - 20.x
+              - 22.x
 
         testSteps:
           - script: npm i

package-lock.json

@@ -26,7 +26,7 @@
     "url": "https://github.com/Microsoft"
   },
   "engines": {
-    "node": "^18.17.0 || >=20.5.0"
+    "node": ">=20.5.0"
   },
   "scripts": {
     "test": "mocha",
@@ -44,7 +44,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.10",
-    "@types/node": "^18.19.57",
+    "@types/node": "^20.x",
     "mocha": "^11.7.1",
     "yeoman-environment": "^4.4.3",
     "yeoman-test": "^10.1.1",