Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -614,3 +614,5 @@
 {"step": 12280, "tokens": 6438256640, "loss": 2.823429489135742, "tokens_per_second": 973988.6357724799, "lr": 0.0015, "gradient_norm": 0.11653498560190201, "benchmark": false}
 {"step": 12300, "tokens": 6448742400, "loss": 2.819413757324219, "tokens_per_second": 929390.072885049, "lr": 0.0015, "gradient_norm": 0.10442902147769928, "benchmark": false}
 {"step": 12320, "tokens": 6459228160, "loss": 2.833740234375, "tokens_per_second": 772543.6753550594, "lr": 0.0015, "gradient_norm": 0.10721367597579956, "benchmark": false}
+{"step": 12340, "tokens": 6469713920, "loss": 2.789055824279785, "tokens_per_second": 966814.8212758361, "lr": 0.0015, "gradient_norm": 0.09952326118946075, "benchmark": false}
+{"step": 12360, "tokens": 6480199680, "loss": 2.7925689697265623, "tokens_per_second": 975247.0802731954, "lr": 0.0015, "gradient_norm": 0.12145429849624634, "benchmark": false}