Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -587,3 +587,5 @@
 {"step": 11740, "tokens": 6155141120, "loss": 2.830831527709961, "tokens_per_second": 976757.4708301218, "lr": 0.0015, "gradient_norm": 0.0975671336054802, "benchmark": false}
 {"step": 11760, "tokens": 6165626880, "loss": 2.806202697753906, "tokens_per_second": 986801.6854679787, "lr": 0.0015, "gradient_norm": 0.09472610801458359, "benchmark": false}
 {"step": 11780, "tokens": 6176112640, "loss": 2.834814262390137, "tokens_per_second": 982357.5047571787, "lr": 0.0015, "gradient_norm": 0.09356431663036346, "benchmark": false}
+{"step": 11800, "tokens": 6186598400, "loss": 2.7874208450317384, "tokens_per_second": 980152.1211710438, "lr": 0.0015, "gradient_norm": 0.10294467955827713, "benchmark": false}
+{"step": 11820, "tokens": 6197084160, "loss": 2.7978897094726562, "tokens_per_second": 992943.4708471717, "lr": 0.0015, "gradient_norm": 0.09639257192611694, "benchmark": false}