force v16 of nodejs

.github/workflows/tagged_release.yml

@@ -12,26 +12,24 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout source code
-        uses: actions/checkout@v2
 
-      - name: Compile locally
-        run: make
-
-      - name: Setup Python
-        uses: actions/setup-python@v2
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
 
-      - name: Install pio
+      - name: Install PlatformIO
         run: |
           python -m pip install --upgrade pip
           pip install -U platformio
           platformio upgrade
           platformio update
 
-      - name: Build web
+      - name: Build WebUI
         run: |
           cd interface
-          npm install
+          npm ci
           npm run build
 
       - name: Build firmware