Updating node.yml from template

.github/workflows/node.yml

@@ -1,3 +1,8 @@
+# This workflow is provided via the organization template repository
+#
+# https://github.com/nextcloud/.github
+# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+
 name: Node
 
 on:
@@ -13,15 +18,23 @@ jobs:
 
     name: node
     steps:
-      - uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v2
 
-      - name: Set up node 
+      - name: Read package.json node and npm engines version
+        uses: skjnldsv/read-package-engines-version-actions@v1.1
+        id: package-engines-versions
+        with:
+          fallbackNode: '^12'
+          fallbackNpm: '^6'
+
+      - name: Set up node ${{ steps.package-engines-versions.outputs.nodeVersion }}
         uses: actions/setup-node@v2
         with:
-          node-version: 14
+          node-version: ${{ steps.package-engines-versions.outputs.nodeVersion }}
 
-      - name: Set up npm7
-        run: npm i -g npm@7
+      - name: Set up npm ${{ steps.package-engines-versions.outputs.npmVersion }}
+        run: npm i -g npm@"${{ steps.package-engines-versions.outputs.npmVersion }}"
 
       - name: Install dependencies & build
         run: |