Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -408,3 +408,5 @@
 {"step": 8160, "tokens": 4278190080, "loss": 2.8417640686035157, "tokens_per_second": 825292.3879032658, "lr": 0.0015, "gradient_norm": 0.07735702395439148, "benchmark": false}
 {"step": 8180, "tokens": 4288675840, "loss": 2.839097023010254, "tokens_per_second": 987625.738830853, "lr": 0.0015, "gradient_norm": 0.07167414575815201, "benchmark": false}
 {"step": 8200, "tokens": 4299161600, "loss": 2.8504922866821287, "tokens_per_second": 987199.328436592, "lr": 0.0015, "gradient_norm": 0.07969453930854797, "benchmark": false}
+{"step": 8220, "tokens": 4309647360, "loss": 2.8941909790039064, "tokens_per_second": 984853.9615494516, "lr": 0.0015, "gradient_norm": 0.07546231150627136, "benchmark": false}
+{"step": 8240, "tokens": 4320133120, "loss": 2.87431640625, "tokens_per_second": 984347.6630434011, "lr": 0.0015, "gradient_norm": 0.06595153361558914, "benchmark": false}