Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1343,3 +1343,5 @@
 {"step": 26860, "tokens": 14082375680, "loss": 2.753675079345703, "tokens_per_second": 982370.1544556798, "lr": 0.0015, "gradient_norm": 0.14744165539741516, "benchmark": false}
 {"step": 26880, "tokens": 14092861440, "loss": 2.747810935974121, "tokens_per_second": 986904.237444794, "lr": 0.0015, "gradient_norm": 0.1833619475364685, "benchmark": false}
 {"step": 26900, "tokens": 14103347200, "loss": 2.7446100234985353, "tokens_per_second": 845989.4148910131, "lr": 0.0015, "gradient_norm": 0.21386535465717316, "benchmark": false}
+{"step": 26920, "tokens": 14113832960, "loss": 2.705735778808594, "tokens_per_second": 983059.521218753, "lr": 0.0015, "gradient_norm": 0.17069242894649506, "benchmark": false}
+{"step": 26940, "tokens": 14124318720, "loss": 2.700437545776367, "tokens_per_second": 983736.9920812615, "lr": 0.0015, "gradient_norm": 0.2033543586730957, "benchmark": false}