chore: update deploy job

Author: vinothpandian

.github/workflows/deploy.yml

@@ -22,6 +22,32 @@ jobs:
     steps:
       - name: Checkout your repository using git
         uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v3
+        name: Install pnpm
+        with:
+          version: 8
+          run_install: false
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - uses: actions/cache@v3
+        name: Setup pnpm cache
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install dependencies
+        run: pnpm install --no-frozen-lockfile
+
+      - name: Build packages
+        run: pnpm build
+
       - name: Install, build, and upload your site
         uses: withastro/action@v1
         with: