Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1356,3 +1356,5 @@
 {"step": 27120, "tokens": 14218690560, "loss": 2.7572681427001955, "tokens_per_second": 838238.7888027055, "lr": 0.0015, "gradient_norm": 0.2550247609615326, "benchmark": false}
 {"step": 27140, "tokens": 14229176320, "loss": 2.7336267471313476, "tokens_per_second": 956864.912182367, "lr": 0.0015, "gradient_norm": 0.1868649125099182, "benchmark": false}
 {"step": 27160, "tokens": 14239662080, "loss": 2.7183982849121096, "tokens_per_second": 830803.1190357794, "lr": 0.0015, "gradient_norm": 0.17510153353214264, "benchmark": false}
+{"step": 27180, "tokens": 14250147840, "loss": 2.7133583068847655, "tokens_per_second": 980444.6896745623, "lr": 0.0015, "gradient_norm": 0.1707877814769745, "benchmark": false}
+{"step": 27200, "tokens": 14260633600, "loss": 2.6855865478515626, "tokens_per_second": 973210.4967959782, "lr": 0.0015, "gradient_norm": 0.1834012120962143, "benchmark": false}