Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1313,3 +1313,4 @@
 {"step": 26260, "tokens": 13767802880, "loss": 2.7399723052978517, "tokens_per_second": 982790.6838803282, "lr": 0.0015, "gradient_norm": 0.1736874282360077, "benchmark": false}
 {"step": 26280, "tokens": 13778288640, "loss": 2.7137556076049805, "tokens_per_second": 978838.3625999705, "lr": 0.0015, "gradient_norm": 0.18246124684810638, "benchmark": false}
 {"step": 26300, "tokens": 13788774400, "loss": 2.762215423583984, "tokens_per_second": 989272.4660260667, "lr": 0.0015, "gradient_norm": 0.18547014892101288, "benchmark": false}
+{"step": 26320, "tokens": 13799260160, "loss": 2.6851032257080076, "tokens_per_second": 980936.5772437012, "lr": 0.0015, "gradient_norm": 0.17275771498680115, "benchmark": false}