Update CI config

* add `workflow_dispatch`
* specify `FORCE_COLOR: 2` for colored output
* update `actions/checkout` to v2
* update `actions/setup-node` to v2
* add Node.js 16
* reduce CI matrix

.github/workflows/lint.yml

@@ -1,20 +1,27 @@
 name: Lint
-on: [push, pull_request]
+
+on:
+  push:
+    branches-ignore:
+      - "dependabot/**"
+  pull_request:
+  workflow_dispatch:
+
 env:
-  CI: true
+  FORCE_COLOR: 2
 
 jobs:
   lint:
     runs-on: ubuntu-latest
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
 
-      - name: Set Node.js version
-        uses: actions/setup-node@v1
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
         with:
-          node-version: "12"
+          node-version: "16"
 
       - name: Install npm dependencies
         run: npm install

.github/workflows/nodejs.yml

@@ -1,24 +1,41 @@
 name: Node CI
-on: [push, pull_request]
+
+on:
+  push:
+    branches-ignore:
+      - "dependabot/**"
+  pull_request:
+  workflow_dispatch:
+
 env:
-  CI: true
+  FORCE_COLOR: 2
 
 jobs:
-  build:
-    name: v${{ matrix.node-version }} @ ${{ matrix.os }}
+  test:
+    name: Node.js ${{ matrix.node }} @ ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+
     strategy:
       fail-fast: false
       matrix:
-        node-version: [8, 10, 12, 14]
-        os: [ubuntu-latest, windows-latest, macOS-latest]
+        node: [8, 10, 12, 14, 16]
+        os: [ubuntu-latest]
+        include:
+          - os: windows-latest
+            node: 8
+          - os: windows-latest
+            node: 14
+          - os: macOS-latest
+            node: 8
+          - os: macOS-latest
+            node: 14
 
     steps:
-      - uses: actions/checkout@v1
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node }}
+        uses: actions/setup-node@v2
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: ${{ matrix.node }}
       - run: npm install
       - name: Run mocha tests
         run: npm run mocha