try testing on node 16

Author: jpw

.github/workflows/tests.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [8.x, 10.x, 12.x, 14.x]
+        node-version: [8.x, 10.x, 12.x, 14.x, 16.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 <15.0.0"
+    "node": ">=8.3.0 <17.0.0"
   },
   "repository": {
     "type": "git",