Modify install command to include CF_PAGES

Set CF_PAGES environment variable for dependency installation.

Author: pionxe

.github/workflows/deploy.yml

@@ -25,10 +25,8 @@ jobs:
           node-version: 20
 
       - name: Install Dependencies
-        run: pnpm install
+        run: CF_PAGES=1 pnpm install
         working-directory: ./www # 假设你的目录叫 www
-        env:
-          CF_PAGES: "1"
 
       - name: Build Docs
         run: pnpm run docs:build