Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -609,3 +609,5 @@
 {"step": 12180, "tokens": 6385827840, "loss": 2.78121280670166, "tokens_per_second": 968837.0522710334, "lr": 0.0015, "gradient_norm": 0.10618795454502106, "benchmark": false}
 {"step": 12200, "tokens": 6396313600, "loss": 2.785441780090332, "tokens_per_second": 966455.7732983519, "lr": 0.0015, "gradient_norm": 0.09828799217939377, "benchmark": false}
 {"step": 12220, "tokens": 6406799360, "loss": 2.7986448287963865, "tokens_per_second": 970902.9798390117, "lr": 0.0015, "gradient_norm": 0.10090534389019012, "benchmark": false}
+{"step": 12240, "tokens": 6417285120, "loss": 2.814933204650879, "tokens_per_second": 972558.1365765134, "lr": 0.0015, "gradient_norm": 0.11073237657546997, "benchmark": false}
+{"step": 12260, "tokens": 6427770880, "loss": 2.788890838623047, "tokens_per_second": 974638.7197978635, "lr": 0.0015, "gradient_norm": 0.10536236315965652, "benchmark": false}