ci: adjust node version

Author: alexandr-g

.github/workflows/main.yml

@@ -3,7 +3,7 @@ name: CI
 on: [push]
 
 env:
-  NODE_VERSION: 14.x
+  NODE_VERSION: 16.x
 
 jobs:
   install:
@@ -13,7 +13,7 @@ jobs:
       - name: CI
         uses: actions/checkout@v3
       - name: Use Node ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v3
         with:
           node-version: ${{ env.NODE_VERSION }}
       - uses: actions/cache@v2