Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1084,3 +1084,5 @@
 {"step": 21680, "tokens": 11366563840, "loss": 2.6968250274658203, "tokens_per_second": 981793.100795127, "lr": 0.0015, "gradient_norm": 0.1597747653722763, "benchmark": false}
 {"step": 21700, "tokens": 11377049600, "loss": 2.7261899948120116, "tokens_per_second": 985415.4796970023, "lr": 0.0015, "gradient_norm": 0.15097445249557495, "benchmark": false}
 {"step": 21720, "tokens": 11387535360, "loss": 2.7518178939819338, "tokens_per_second": 980859.979874736, "lr": 0.0015, "gradient_norm": 0.16923417150974274, "benchmark": false}
+{"step": 21740, "tokens": 11398021120, "loss": 2.73089599609375, "tokens_per_second": 990311.7282315026, "lr": 0.0015, "gradient_norm": 0.1532820463180542, "benchmark": false}
+{"step": 21760, "tokens": 11408506880, "loss": 2.745311737060547, "tokens_per_second": 980719.1997586043, "lr": 0.0015, "gradient_norm": 0.16841423511505127, "benchmark": false}