switch to pnpm

.github/workflows/deploy.yml

@@ -24,18 +24,9 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
-
-      - name: Cache dependencies
-        id: cache_dependencies
-        uses: actions/cache@v3
-        with:
-          path: node_modules
-          key: node-modules-${{ hashFiles('package-lock.json') }}
-
       - name: Install dependencies
         shell: bash
-        if: steps.cache_dependencies.outputs.cache-hit != 'true'
-        run: npm ci
+        run: pnpm i
 
       - name: Build
         run: npx nuxi generate