Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -917,3 +917,5 @@
 {"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}
+{"step": 18400, "tokens": 9646899200, "loss": 2.7527652740478517, "tokens_per_second": 979229.8178542908, "lr": 0.0015, "gradient_norm": 0.14924854040145874, "benchmark": false}
+{"step": 18420, "tokens": 9657384960, "loss": 2.7542049407958986, "tokens_per_second": 990100.4783217756, "lr": 0.0015, "gradient_norm": 0.12890124320983887, "benchmark": false}