Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -391,3 +391,5 @@
 {"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}
+{"step": 7880, "tokens": 4131389440, "loss": 2.8618162155151365, "tokens_per_second": 978230.4771587944, "lr": 0.0015, "gradient_norm": 0.08222915232181549, "benchmark": false}
+{"step": 7900, "tokens": 4141875200, "loss": 2.8634958267211914, "tokens_per_second": 982325.4681529441, "lr": 0.0015, "gradient_norm": 0.07007068395614624, "benchmark": false}