- updates schema validation workflow to checkout the lock

Signed-off-by: Vincent Biret <vibiret@microsoft.com>

.github/workflows/schema-tests.yaml

@@ -28,7 +28,7 @@ jobs:
         node-version: '20.x'
     - name: Install dependencies from main
       run: |
-        git checkout remotes/origin/main -- package.json
+        git checkout remotes/origin/main -- package.json package-lock.json
         npm ci
     - name: Run tests
       run: npm run test