build: support Node.js 16.x

Author: dougwilson

Diff for: .github/workflows/ci.yml

@@ -28,6 +28,7 @@ jobs:
         - Node.js 13.x
         - Node.js 14.x
         - Node.js 15.x
+        - Node.js 16.x
 
         include:
         - name: Node.js 0.10
@@ -94,6 +95,9 @@ jobs:
         - name: Node.js 15.x
           node-version: "15.14"
 
+        - name: Node.js 16.x
+          node-version: "16.14"
+
     steps:
     - uses: actions/checkout@v2
 

Diff for: appveyor.yml

@@ -17,6 +17,7 @@ environment:
     - nodejs_version: "13.14"
     - nodejs_version: "14.19"
     - nodejs_version: "15.14"
+    - nodejs_version: "16.14"
 cache:
   - node_modules
 install: