fix: update cron schedule for README generation workflow

Author: gainsborouo

.github/workflows/update.yml

@@ -2,7 +2,7 @@ name: Update Schoolwork README
 
 on:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   workflow_dispatch:
   push:
     branches:

scripts/generate.py

@@ -1,6 +1,8 @@
 import os
 import re
 from collections import defaultdict
+from datetime import datetime
+from zoneinfo import ZoneInfo
 from typing import Any
 
 import requests
@@ -23,6 +25,7 @@
 
 SEMESTER_PATTERN = re.compile(r"^(\d{3})(上|下)\s+")
 SCHOOL_NAME_PATTERN = re.compile(r"^(交大|竹科實中)\s+")
+TIMEZONE = ZoneInfo("Asia/Taipei")
 
 
 def fetch_repos() -> list[dict[str, Any]]:
@@ -113,6 +116,8 @@ def build_markdown(repos: list[dict[str, Any]]) -> str:
         "",
         "This repository indexes my coursework repositories.",
         "",
+        f"_Last updated: {datetime.now(TIMEZONE).date().isoformat()}_",
+        "",
     ]
 
     for school in school_order:
@@ -161,4 +166,4 @@ def main() -> None:
 
 
 if __name__ == "__main__":
-    main()
+    main()