Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1267,3 +1267,5 @@
 {"step": 25340, "tokens": 13285457920, "loss": 2.7172979354858398, "tokens_per_second": 987990.7211883516, "lr": 0.0015, "gradient_norm": 0.20486809313297272, "benchmark": false}
 {"step": 25360, "tokens": 13295943680, "loss": 2.7464277267456056, "tokens_per_second": 980088.4231299085, "lr": 0.0015, "gradient_norm": 0.17930281162261963, "benchmark": false}
 {"step": 25380, "tokens": 13306429440, "loss": 2.7713504791259767, "tokens_per_second": 979269.3335938716, "lr": 0.0015, "gradient_norm": 0.1711287647485733, "benchmark": false}
+{"step": 25400, "tokens": 13316915200, "loss": 2.739446449279785, "tokens_per_second": 980389.1165573467, "lr": 0.0015, "gradient_norm": 0.18435411155223846, "benchmark": false}
+{"step": 25420, "tokens": 13327400960, "loss": 2.699550437927246, "tokens_per_second": 985711.6419913521, "lr": 0.0015, "gradient_norm": 0.15506623685359955, "benchmark": false}