ci(e2e): 改用 Playwright 官方 Docker 镜像，修复 debian11 不支持 chromium 安装

runner 宿主为 Debian 11，Playwright 1.62 的 install-deps 已不支持；
改用 mcr.microsoft.com/playwright:v1.62.1-noble 容器自带 Chromium 与系统依赖。

.gitea/workflows/ci.yml

@@ -60,6 +60,9 @@ jobs:
 
   e2e:
     runs-on: debian-latest
+    # 使用 Playwright 官方镜像：自带 Chromium 与全部系统依赖，
+    # 避免 runner 宿主（Debian 11）不被 Playwright 1.62 支持的问题。
+    container: mcr.microsoft.com/playwright:v1.62.1-noble
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v4
@@ -72,8 +75,8 @@ jobs:
         run: npm ci
       - name: Build
         run: npm run build
-      - name: Install Playwright browsers
-        run: npx playwright install --with-deps chromium
+      - name: Verify Playwright browsers
+        run: npx playwright install chromium
       - name: Run E2E smoke tests
         run: npm run test:e2e