fix: 修复 CI Python 版本配置

- 将测试矩阵中的 Python 3.14 改为 3.10, 3.11, 3.12
- Python 3.14 是不存在的版本，导致 CI 失败

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: SummerOneTwo

.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.14"]
+        python-version: ["3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5