Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1082,3 +1082,5 @@
 {"step": 21640, "tokens": 11345592320, "loss": 2.7496265411376952, "tokens_per_second": 980379.3584159111, "lr": 0.0015, "gradient_norm": 0.16225294768810272, "benchmark": false}
 {"step": 21660, "tokens": 11356078080, "loss": 2.7229021072387694, "tokens_per_second": 980503.9152276393, "lr": 0.0015, "gradient_norm": 0.1511487066745758, "benchmark": false}
 {"step": 21680, "tokens": 11366563840, "loss": 2.6968250274658203, "tokens_per_second": 981793.100795127, "lr": 0.0015, "gradient_norm": 0.1597747653722763, "benchmark": false}
+{"step": 21700, "tokens": 11377049600, "loss": 2.7261899948120116, "tokens_per_second": 985415.4796970023, "lr": 0.0015, "gradient_norm": 0.15097445249557495, "benchmark": false}
+{"step": 21720, "tokens": 11387535360, "loss": 2.7518178939819338, "tokens_per_second": 980859.979874736, "lr": 0.0015, "gradient_norm": 0.16923417150974274, "benchmark": false}