chore: auto-update Google Scholar stats

Author: github-actions[bot]

scholar.json

@@ -8,8 +8,8 @@
   "h_index_recent": 5,
   "i10_index_all": 3,
   "i10_index_recent": 3,
-  "updated_at": "2026-07-20T06:09:40Z",
-  "updated_at_local": "2026-07-20 06:09 UTC",
+  "updated_at": "2026-07-21T05:42:51Z",
+  "updated_at_local": "2026-07-21 05:42 UTC",
   "source": "https://scholar.google.com/citations?user=-XWPfk4AAAAJ&hl=en",
   "provider": "serpapi"
 }