Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -752,3 +752,5 @@
 {"step": 15040, "tokens": 7885291520, "loss": 2.800482749938965, "tokens_per_second": 977951.2339340949, "lr": 0.0015, "gradient_norm": 0.11727306246757507, "benchmark": false}
 {"step": 15060, "tokens": 7895777280, "loss": 2.7801792144775392, "tokens_per_second": 984479.5907513736, "lr": 0.0015, "gradient_norm": 0.13086150586605072, "benchmark": false}
 {"step": 15080, "tokens": 7906263040, "loss": 2.7915508270263674, "tokens_per_second": 991798.1438708312, "lr": 0.0015, "gradient_norm": 0.1386176198720932, "benchmark": false}
+{"step": 15100, "tokens": 7916748800, "loss": 2.7806907653808595, "tokens_per_second": 947418.1922038253, "lr": 0.0015, "gradient_norm": 0.13433490693569183, "benchmark": false}
+{"step": 15120, "tokens": 7927234560, "loss": 2.7819780349731444, "tokens_per_second": 977709.2087112203, "lr": 0.0015, "gradient_norm": 0.1220981553196907, "benchmark": false}