ci: Adjust node versions for latest supported

Author: nonara

.github/workflows/main.yml

@@ -1,14 +1,14 @@
 name: Node.js CI
 
-on: [push, pull_request]
+on: [ push, pull_request ]
 
 jobs:
   build:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
-        node-version: [10.x, 12.x, 14.x]
+        os: [ ubuntu-latest, windows-latest ]
+        node-version: [ 12.x, 14.x, 16.x ]
 
     steps:
       - name: Checkout

.github/workflows/publish.yml

@@ -25,10 +25,10 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-yarn-
 
-      - name: Setup Node.js 12.x to publish to npmjs.org
+      - name: Setup Node.js 14.x to publish to npmjs.org
         uses: actions/setup-node@v1
         with:
-          node-version: '12.x'
+          node-version: '14.x'
           registry-url: 'https://registry.npmjs.org'
 
       - name: Install Packages