ci: use common JS setup action (#4)

Author: mcous

.github/workflows/ci.yaml

@@ -22,19 +22,10 @@ jobs:
       - name: Checkout source
         uses: actions/checkout@v3
 
-      - name: Install pnpm
-        uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
-        with:
-          run_install: true
-
-      - name: Install Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+      - name: Install Node.js and dependencies
+        uses: mcous/js/actions/setup@main
         with:
           node-version: ${{ matrix.node-version }}
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install
 
       - name: Run tests
         run: pnpm coverage
@@ -63,19 +54,8 @@ jobs:
       - name: Checkout source
         uses: actions/checkout@v3
 
-      - name: Install pnpm
-        uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
-        with:
-          run_install: true
-
-      - name: Install Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: '18'
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install
+      - name: Install Node.js and dependencies
+        uses: mcous/js/actions/setup@main
 
       - name: Build and check
         run: pnpm build-and-check