feat(.github\workflows): 增加 Node 堆内存，改为 15G

Author: atengk

.github/workflows/deploy.yml

@@ -48,7 +48,7 @@ jobs:
       # 构建
       - name: Build VitePress
         env:
-          NODE_OPTIONS: --max-old-space-size=20480
+          NODE_OPTIONS: --max-old-space-size=15360
         run: pnpm docs:build
 
       - name: Upload artifact