Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -368,3 +368,4 @@
 {"step": 7360, "tokens": 3858759680, "loss": 2.8969520568847655, "tokens_per_second": 986498.8639737453, "lr": 0.0015, "gradient_norm": 0.0687498077750206, "benchmark": false}
 {"step": 7380, "tokens": 3869245440, "loss": 2.8997058868408203, "tokens_per_second": 972612.4868532382, "lr": 0.0015, "gradient_norm": 0.06531796604394913, "benchmark": false}
 {"step": 7400, "tokens": 3879731200, "loss": 2.858563041687012, "tokens_per_second": 962697.5638663234, "lr": 0.0015, "gradient_norm": 0.0642826184630394, "benchmark": false}
+{"step": 7420, "tokens": 3890216960, "loss": 2.890119171142578, "tokens_per_second": 836658.5075806839, "lr": 0.0015, "gradient_norm": 0.06829072535037994, "benchmark": false}