fix: remove ppm support from pages-astro.yml

.github/workflows/pages-astro.yml

@@ -31,26 +31,7 @@ jobs:
       - name: "🧰 Check out code"
         uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
 
-      - uses: pnpm/action-setup@v2
-        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: Build and Upload Site
+       - name: Build and Upload Site
         uses: withastro/action@v1
         with:
           path: