Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -434,3 +434,5 @@
 {"step": 8680, "tokens": 4550819840, "loss": 2.8558382034301757, "tokens_per_second": 985707.6447773305, "lr": 0.0015, "gradient_norm": 0.07771660387516022, "benchmark": false}
 {"step": 8700, "tokens": 4561305600, "loss": 2.8630804061889648, "tokens_per_second": 995487.8833157328, "lr": 0.0015, "gradient_norm": 0.08134394139051437, "benchmark": false}
 {"step": 8720, "tokens": 4571791360, "loss": 2.8511684417724608, "tokens_per_second": 987061.442449505, "lr": 0.0015, "gradient_norm": 0.07659624516963959, "benchmark": false}
+{"step": 8740, "tokens": 4582277120, "loss": 2.8440793991088866, "tokens_per_second": 985376.0161414589, "lr": 0.0015, "gradient_norm": 0.08334780484437943, "benchmark": false}
+{"step": 8760, "tokens": 4592762880, "loss": 2.8465591430664063, "tokens_per_second": 980278.3504606036, "lr": 0.0015, "gradient_norm": 0.07243814319372177, "benchmark": false}