Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -406,3 +406,5 @@
 {"step": 8120, "tokens": 4257218560, "loss": 2.865599250793457, "tokens_per_second": 991851.2025152362, "lr": 0.0015, "gradient_norm": 0.06867492944002151, "benchmark": false}
 {"step": 8140, "tokens": 4267704320, "loss": 2.8421567916870116, "tokens_per_second": 989766.1020043022, "lr": 0.0015, "gradient_norm": 0.07502865791320801, "benchmark": false}
 {"step": 8160, "tokens": 4278190080, "loss": 2.8417640686035157, "tokens_per_second": 825292.3879032658, "lr": 0.0015, "gradient_norm": 0.07735702395439148, "benchmark": false}
+{"step": 8180, "tokens": 4288675840, "loss": 2.839097023010254, "tokens_per_second": 987625.738830853, "lr": 0.0015, "gradient_norm": 0.07167414575815201, "benchmark": false}
+{"step": 8200, "tokens": 4299161600, "loss": 2.8504922866821287, "tokens_per_second": 987199.328436592, "lr": 0.0015, "gradient_norm": 0.07969453930854797, "benchmark": false}