[WIP] workflow: use node-version-file

Inspired by: actions/setup-node#1017 (comment)

.github/workflows/easycloud-build.yml

@@ -47,17 +47,10 @@ jobs:
         with:
           submodules: true
 
-      - name: Read package.json node and npm engines version
-        uses: skjnldsv/read-package-engines-version-actions@8205673bab74a63eb9b8093402fd9e0e018663a1 # v2.2
-        id: versions
-        with:
-          fallbackNode: '^20'
-          fallbackNpm: '^10'
-
       - name: Set up node ${{ steps.versions.outputs.nodeVersion }}
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: ${{ steps.versions.outputs.nodeVersion }}.
+          node-version-file: "package.json"
 
       - name: Install dependencies & build
         env: