try testing on node 20

Author: jpw

.github/workflows/tests.yml

@@ -18,15 +18,15 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: npm ci
       - run: npm run lint
 
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [8.x, 10.x, 12.x, 14.x, 16.x, 18.x]
+        node-version: [8.x, 10.x, 12.x, 14.x, 16.x, 18.x, 20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:

package.json

@@ -14,7 +14,7 @@
     "test:watch": "jest --watch"
   },
   "engines": {
-    "node": ">=8.3.0 <19.0.0"
+    "node": ">=8.3.0 <21.0.0"
   },
   "repository": {
     "type": "git",