Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -915,3 +915,5 @@
 {"step": 18300, "tokens": 9594470400, "loss": 2.7640096664428713, "tokens_per_second": 939744.7905982776, "lr": 0.0015, "gradient_norm": 0.15722115337848663, "benchmark": false}
 {"step": 18320, "tokens": 9604956160, "loss": 2.7840244293212892, "tokens_per_second": 983453.4724224303, "lr": 0.0015, "gradient_norm": 0.15602311491966248, "benchmark": false}
 {"step": 18340, "tokens": 9615441920, "loss": 2.779916191101074, "tokens_per_second": 987107.2701568747, "lr": 0.0015, "gradient_norm": 0.13586574792861938, "benchmark": false}
+{"step": 18360, "tokens": 9625927680, "loss": 2.7543210983276367, "tokens_per_second": 975885.1121562502, "lr": 0.0015, "gradient_norm": 0.12298431992530823, "benchmark": false}
+{"step": 18380, "tokens": 9636413440, "loss": 2.7541200637817385, "tokens_per_second": 978007.5796573953, "lr": 0.0015, "gradient_norm": 0.13819445669651031, "benchmark": false}