Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -33,3 +33,4 @@
 {"step": 660, "tokens": 346030080, "loss": 3.87745361328125, "tokens_per_second": 987337.2396404969, "lr": 0.000495, "gradient_norm": 0.5577827095985413, "benchmark": false}
 {"step": 680, "tokens": 356515840, "loss": 3.830519104003906, "tokens_per_second": 986269.7550769978, "lr": 0.00051, "gradient_norm": 0.5967057347297668, "benchmark": false}
 {"step": 700, "tokens": 367001600, "loss": 3.826114273071289, "tokens_per_second": 992132.7181165003, "lr": 0.000525, "gradient_norm": 0.5667921900749207, "benchmark": false}
+{"step": 720, "tokens": 377487360, "loss": 3.769327163696289, "tokens_per_second": 944236.843989973, "lr": 0.00054, "gradient_norm": 0.5464304685592651, "benchmark": false}