chore(workflow): use node-version-file instead of hardcoded node-version (#15658)

* chore(workflow): use `node-version-file` instead of hardcoded `node-version`

* chore: test min version

.github/workflows/validate-api-json.yml

@@ -16,20 +16,16 @@ jobs:
   validate-api-json:
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        node-version: [22.11.0]
-
     steps:
     - uses: actions/checkout@v4.2.2
       with:
         submodules: true
     - name: Setup pnpm
       uses: pnpm/action-setup@v4.1.0
-    - name: Use Node.js ${{ matrix.node-version }}
+    - name: Use Node.js
       uses: actions/setup-node@v4.4.0
       with:
-        node-version: ${{ matrix.node-version }}
+        node-version-file: '.node-version'
         cache: 'pnpm'
     - name: Install Redocly CLI
       run: npm i -g @redocly/cli