Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1069,3 +1069,5 @@
 {"step": 21380, "tokens": 11209277440, "loss": 2.7513710021972657, "tokens_per_second": 989794.7038225255, "lr": 0.0015, "gradient_norm": 0.15389376878738403, "benchmark": false}
 {"step": 21400, "tokens": 11219763200, "loss": 2.749925994873047, "tokens_per_second": 981904.2400100403, "lr": 0.0015, "gradient_norm": 0.14500971138477325, "benchmark": false}
 {"step": 21420, "tokens": 11230248960, "loss": 2.734673500061035, "tokens_per_second": 982116.1622711776, "lr": 0.0015, "gradient_norm": 0.16096125543117523, "benchmark": false}
+{"step": 21440, "tokens": 11240734720, "loss": 2.736710548400879, "tokens_per_second": 995268.361997205, "lr": 0.0015, "gradient_norm": 0.15058793127536774, "benchmark": false}
+{"step": 21460, "tokens": 11251220480, "loss": 2.7553260803222654, "tokens_per_second": 942099.8717380728, "lr": 0.0015, "gradient_norm": 0.17784038186073303, "benchmark": false}