chore: traffic data 2026-06-28

Author: github-actions[bot]

traffic/stats-history.ndjson

@@ -70,3 +70,4 @@
 {"date": "2026-06-25", "stars": 416, "forks": 135, "watchers": 5, "open_issues": 2}
 {"date": "2026-06-26", "stars": 416, "forks": 135, "watchers": 5, "open_issues": 2}
 {"date": "2026-06-27", "stars": 416, "forks": 135, "watchers": 5, "open_issues": 1}
+{"date": "2026-06-28", "stars": 417, "forks": 135, "watchers": 5, "open_issues": 1}