pin node version?

.github/workflows/static.yml

@@ -31,8 +31,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Prepare Node
-        run: npm ci
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          # Version Spec of the version to use in SemVer notation.
+          # It also emits such aliases as lts, latest, nightly and canary builds
+          # Examples: 12.x, 10.15.1, >=10.15.0, lts/Hydrogen, 16-nightly, latest, node
+          node-version: '16'
       - name: Build site
         run: npm run build
       - name: Setup Pages