Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -932,3 +932,5 @@
 {"step": 18640, "tokens": 9772728320, "loss": 2.7433448791503907, "tokens_per_second": 974439.72205389, "lr": 0.0015, "gradient_norm": 0.14269590377807617, "benchmark": false}
 {"step": 18660, "tokens": 9783214080, "loss": 2.7503887176513673, "tokens_per_second": 983996.9170213623, "lr": 0.0015, "gradient_norm": 0.15311908721923828, "benchmark": false}
 {"step": 18680, "tokens": 9793699840, "loss": 2.734910011291504, "tokens_per_second": 842610.3019881422, "lr": 0.0015, "gradient_norm": 0.1374574452638626, "benchmark": false}
+{"step": 18700, "tokens": 9804185600, "loss": 2.766593170166016, "tokens_per_second": 853746.7445592219, "lr": 0.0015, "gradient_norm": 0.15296505391597748, "benchmark": false}
+{"step": 18720, "tokens": 9814671360, "loss": 2.777023124694824, "tokens_per_second": 987797.1293850364, "lr": 0.0015, "gradient_norm": 0.1512424647808075, "benchmark": false}