Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -389,3 +389,5 @@
 {"step": 7780, "tokens": 4078960640, "loss": 2.869442939758301, "tokens_per_second": 985333.7092303191, "lr": 0.0015, "gradient_norm": 0.07301727682352066, "benchmark": false}
 {"step": 7800, "tokens": 4089446400, "loss": 2.882038688659668, "tokens_per_second": 991926.6644832704, "lr": 0.0015, "gradient_norm": 0.06702107191085815, "benchmark": false}
 {"step": 7820, "tokens": 4099932160, "loss": 2.8708444595336915, "tokens_per_second": 983395.4496681396, "lr": 0.0015, "gradient_norm": 0.07940774410963058, "benchmark": false}
+{"step": 7840, "tokens": 4110417920, "loss": 2.8780664443969726, "tokens_per_second": 978333.9763218275, "lr": 0.0015, "gradient_norm": 0.06969086825847626, "benchmark": false}
+{"step": 7860, "tokens": 4120903680, "loss": 2.8760910034179688, "tokens_per_second": 978431.0952770986, "lr": 0.0015, "gradient_norm": 0.07081884145736694, "benchmark": false}