chore: traffic data 2026-06-08

Author: github-actions[bot]

traffic/stats-history.ndjson

@@ -50,3 +50,4 @@
 {"date": "2026-06-05", "stars": 419, "forks": 137, "watchers": 5, "open_issues": 1}
 {"date": "2026-06-06", "stars": 419, "forks": 137, "watchers": 5, "open_issues": 1}
 {"date": "2026-06-07", "stars": 419, "forks": 137, "watchers": 5, "open_issues": 1}
+{"date": "2026-06-08", "stars": 421, "forks": 136, "watchers": 5, "open_issues": 0}