Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -922,3 +922,4 @@
 {"step": 18440, "tokens": 9667870720, "loss": 2.7615888595581053, "tokens_per_second": 978303.8545806182, "lr": 0.0015, "gradient_norm": 0.12055376172065735, "benchmark": false}
 {"step": 18460, "tokens": 9678356480, "loss": 2.744034767150879, "tokens_per_second": 984021.9975202855, "lr": 0.0015, "gradient_norm": 0.12270098924636841, "benchmark": false}
 {"step": 18480, "tokens": 9688842240, "loss": 2.7206756591796877, "tokens_per_second": 984063.8381700526, "lr": 0.0015, "gradient_norm": 0.14856895804405212, "benchmark": false}
+{"step": 18500, "tokens": 9699328000, "loss": 2.7920162200927736, "tokens_per_second": 981286.7393001046, "lr": 0.0015, "gradient_norm": 0.135093092918396, "benchmark": false}