Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1303,3 +1303,5 @@
 {"step": 26060, "tokens": 13662945280, "loss": 2.7311733245849608, "tokens_per_second": 936785.07679417, "lr": 0.0015, "gradient_norm": 0.1704351156949997, "benchmark": false}
 {"step": 26080, "tokens": 13673431040, "loss": 2.7357757568359373, "tokens_per_second": 973855.9108424016, "lr": 0.0015, "gradient_norm": 0.18583223223686218, "benchmark": false}
 {"step": 26100, "tokens": 13683916800, "loss": 2.7040576934814453, "tokens_per_second": 969912.2554433204, "lr": 0.0015, "gradient_norm": 0.1684197634458542, "benchmark": false}
+{"step": 26120, "tokens": 13694402560, "loss": 2.7078725814819338, "tokens_per_second": 992305.4772842126, "lr": 0.0015, "gradient_norm": 0.20440128445625305, "benchmark": false}
+{"step": 26140, "tokens": 13704888320, "loss": 2.726815032958984, "tokens_per_second": 941490.2826228602, "lr": 0.0015, "gradient_norm": 0.1905585527420044, "benchmark": false}