Add pnpm

Author: switz

.github/workflows/deploy.yml

@@ -31,8 +31,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 10
+      - name: Install dependencies
+        run: pnpm install
       - name: Run build
-        run: npm run build
+        run: pnpm run build
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Upload artifact