Fix 'run' of GitHub Actions workflow

Fix because it was not working properly on Windows.

Author: abetomo

.github/workflows/workflow.yml

@@ -12,10 +12,9 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
     - uses: actions/checkout@master
-    - uses: actions/setup-node@v1
+    - uses: actions/setup-node@master
       with:
         node-version: ${{ matrix.node-version }}
-    - name: npm install, and test
-      run: |
-        npm install
-        npm test
+    - run: npm i -g npm
+    - run: npm install
+    - run: npm test