Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -442,3 +442,5 @@
 {"step": 8840, "tokens": 4634705920, "loss": 2.8507137298583984, "tokens_per_second": 979714.4990773012, "lr": 0.0015, "gradient_norm": 0.07116901129484177, "benchmark": false}
 {"step": 8860, "tokens": 4645191680, "loss": 2.861048126220703, "tokens_per_second": 987968.3009214861, "lr": 0.0015, "gradient_norm": 0.07557233422994614, "benchmark": false}
 {"step": 8880, "tokens": 4655677440, "loss": 2.858736038208008, "tokens_per_second": 973079.5058719201, "lr": 0.0015, "gradient_norm": 0.06807484477758408, "benchmark": false}
+{"step": 8900, "tokens": 4666163200, "loss": 2.825702667236328, "tokens_per_second": 970498.6386046646, "lr": 0.0015, "gradient_norm": 0.08347911387681961, "benchmark": false}
+{"step": 8920, "tokens": 4676648960, "loss": 2.860857391357422, "tokens_per_second": 977166.5448684128, "lr": 0.0015, "gradient_norm": 0.08019018173217773, "benchmark": false}