Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -395,3 +395,5 @@
 {"step": 7900, "tokens": 4141875200, "loss": 2.8634958267211914, "tokens_per_second": 982325.4681529441, "lr": 0.0015, "gradient_norm": 0.07007068395614624, "benchmark": false}
 {"step": 7920, "tokens": 4152360960, "loss": 2.853188133239746, "tokens_per_second": 975227.7228349362, "lr": 0.0015, "gradient_norm": 0.07613815367221832, "benchmark": false}
 {"step": 7940, "tokens": 4162846720, "loss": 2.8642766952514647, "tokens_per_second": 973947.4194234799, "lr": 0.0015, "gradient_norm": 0.07104819267988205, "benchmark": false}
+{"step": 7960, "tokens": 4173332480, "loss": 2.85324649810791, "tokens_per_second": 978055.0444066898, "lr": 0.0015, "gradient_norm": 0.07692700624465942, "benchmark": false}
+{"step": 7980, "tokens": 4183818240, "loss": 2.8597362518310545, "tokens_per_second": 976117.0131650119, "lr": 0.0015, "gradient_norm": 0.07403507828712463, "benchmark": false}