Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1080,3 +1080,5 @@
 {"step": 21600, "tokens": 11324620800, "loss": 2.744864654541016, "tokens_per_second": 982885.1191783481, "lr": 0.0015, "gradient_norm": 0.17417514324188232, "benchmark": false}
 {"step": 21620, "tokens": 11335106560, "loss": 2.7458520889282227, "tokens_per_second": 978655.0484006297, "lr": 0.0015, "gradient_norm": 0.14431726932525635, "benchmark": false}
 {"step": 21640, "tokens": 11345592320, "loss": 2.7496265411376952, "tokens_per_second": 980379.3584159111, "lr": 0.0015, "gradient_norm": 0.16225294768810272, "benchmark": false}
+{"step": 21660, "tokens": 11356078080, "loss": 2.7229021072387694, "tokens_per_second": 980503.9152276393, "lr": 0.0015, "gradient_norm": 0.1511487066745758, "benchmark": false}
+{"step": 21680, "tokens": 11366563840, "loss": 2.6968250274658203, "tokens_per_second": 981793.100795127, "lr": 0.0015, "gradient_norm": 0.1597747653722763, "benchmark": false}