Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1194,3 +1194,5 @@
 {"step": 23880, "tokens": 12519997440, "loss": 2.700775146484375, "tokens_per_second": 850381.8881175189, "lr": 0.0015, "gradient_norm": 0.14233604073524475, "benchmark": false}
 {"step": 23900, "tokens": 12530483200, "loss": 2.708213043212891, "tokens_per_second": 981935.8923766576, "lr": 0.0015, "gradient_norm": 0.15410612523555756, "benchmark": false}
 {"step": 23920, "tokens": 12540968960, "loss": 2.7601694107055663, "tokens_per_second": 975348.6145191451, "lr": 0.0015, "gradient_norm": 0.16925016045570374, "benchmark": false}
+{"step": 23940, "tokens": 12551454720, "loss": 2.691547393798828, "tokens_per_second": 975890.01228013, "lr": 0.0015, "gradient_norm": 0.15195700526237488, "benchmark": false}
+{"step": 23960, "tokens": 12561940480, "loss": 2.7447614669799805, "tokens_per_second": 997427.3005360373, "lr": 0.0015, "gradient_norm": 0.15338551998138428, "benchmark": false}