chore: traffic data 2026-05-31

Author: github-actions[bot]

traffic/stats-history.ndjson

@@ -42,3 +42,4 @@
 {"date": "2026-05-28", "stars": 417, "forks": 135, "watchers": 5, "open_issues": 0}
 {"date": "2026-05-29", "stars": 416, "forks": 135, "watchers": 5, "open_issues": 0}
 {"date": "2026-05-30", "stars": 416, "forks": 136, "watchers": 5, "open_issues": 0}
+{"date": "2026-05-31", "stars": 417, "forks": 136, "watchers": 5, "open_issues": 0}