fix: ci

.github/workflows/deploy.yml

@@ -19,10 +19,34 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+
+      # setup nodejs, pnpm and vitepress
       - uses: actions/setup-node@v3
         with:
           node-version: 18
-          cache: npm
+      - uses: pnpm/action-setup@v2
+        name: Install pnpm
+        id: pnpm-install
+        with:
+          version: 7
+          run_install: false
+      - name: Get pnpm store directory
+        id: pnpm-cache
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path)" >> $GITHUB_OUTPUT
+
+      - uses: actions/cache@v3
+        name: Setup pnpm cache
+        with:
+          path: ${{ steps.pnpm-cache.outputs.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+      - name: Install dependencies
+        run: pnpm install
+
+      # build and deploy the docs
       - run: npm ci
       - name: Build
         run: npm run docs:build