run test only on node 16 (#38)

* run test on node 16 and LTS (18)

* specify the required Node.js version

* run only on node 16

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [ lts/* ]
+        node-version: [ 16 ]
 
     steps:
       - uses: actions/checkout@v3
@@ -21,6 +21,7 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
+          check-latest: true
 
       - name: Clean install, build, test
         run: |
@@ -33,10 +34,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Use Node.js latest
+      - name: Use Node.js 16
         uses: actions/setup-node@v3
         with:
-          node-version: latest
+          node-version: 16
+          check-latest: true
+
       - name: Clean install, lint
         run: |
           npm ci

package.json

@@ -83,5 +83,8 @@
 		"typescript": "3.8.3",
 		"webpack": "4.42.1",
 		"webpack-cli": "3.3.11"
+	},
+	"engines": {
+		"node": "~16"
 	}
 }