chore(dependencies): 更新 Python 版本要求并配置 dependabot

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+registries:
+  pip_mirror:
+    type: python-index
+    url: https://mirrors.ustc.edu.cn/pypi/simple
+updates:
+  - package-ecosystem: "uv"
+    directory: "/"
+    schedule:
+      interval: "cron"
+      cronjob: "0 0 * * 6"
+      timezone: "Asia/Shanghai"
+    registries:
+      - pip_mirror

pyproject.toml

@@ -7,7 +7,7 @@ authors = [
 ]
 readme = "README.md"
 license = "GPL-3.0"
-requires-python = ">=3.12,<3.13"
+requires-python = ">=3.12"
 dependencies = [
     "aiofiles>=25.1.0",
     "aiosqlite>=0.22.1",