CI: upgrade Pages workflow actions to Node 24 majors

checkout v4->v6, setup-python v5->v6, upload-pages-artifact v3->v5, deploy-pages v4->v5. Clears the Node.js 20 deprecation (runner forces Node 24 on 2026-06-16). Verified the inputs we use (python-version, path) are unchanged.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: xpqiu

.github/workflows/static.yml

@@ -22,11 +22,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # 抓取 GitHub star，生成 assets/js/gh-stars-data.js（仅用 Python 标准库，无需额外依赖）
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
 
@@ -41,7 +41,7 @@ jobs:
 
       # 这里直接上传整个仓库根目录作为 Pages 内容
       - name: Upload Pages artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v5
         with:
           path: "."  # 注意这里部署的是整个仓库根目录
 
@@ -54,4 +54,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5