update workflows

Author: kazupon

.github/workflows/lint.yml

@@ -24,12 +24,15 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - uses: pnpm/action-setup@646cdf48217256a3d0b80361c5a50727664284f2
+        with:
+          version: 6.10.0
       - name: Setup Node.js v14.x
         uses: actions/setup-node@v2
         with:
           node-version: 14
-          cache: 'npm'
+          cache: 'pnpm'
       - name: Install
-        run: npm install
+        run: pnpm install
       - name: Lint
-        run: npm run lint
+        run: pnpm run lint

.github/workflows/test.yml

@@ -28,12 +28,15 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - uses: pnpm/action-setup@646cdf48217256a3d0b80361c5a50727664284f2
+        with:
+          version: 6.10.0
       - name: Setup Node.js ${{ matrix.node }}
         uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
-          cache: 'npm'
+          cache: 'pnpm'
       - name: Install
-        run: npm install
+        run: pnpm install
       - name: Test
-        run: npm test
+        run: pnpm test