update to node16

.github/workflows/check-dist.yml

@@ -23,10 +23,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Set Node.js 12.x
+      - name: Set Node.js 16.x
         uses: actions/setup-node@v2.5.1
         with:
-          node-version: 12.x
+          node-version: 16.x
 
       - name: Install dependencies
         run: npm ci

action.yml

@@ -9,5 +9,5 @@ outputs:
   time: # output will be available to future steps
     description: 'The current time after waiting'
 runs:
-  using: 'node12'
+  using: 'node16'
   main: 'dist/index.js'