Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -438,3 +438,5 @@
 {"step": 8760, "tokens": 4592762880, "loss": 2.8465591430664063, "tokens_per_second": 980278.3504606036, "lr": 0.0015, "gradient_norm": 0.07243814319372177, "benchmark": false}
 {"step": 8780, "tokens": 4603248640, "loss": 2.8538890838623048, "tokens_per_second": 979125.2512634053, "lr": 0.0015, "gradient_norm": 0.07321111112833023, "benchmark": false}
 {"step": 8800, "tokens": 4613734400, "loss": 2.801381492614746, "tokens_per_second": 950571.9755138988, "lr": 0.0015, "gradient_norm": 0.08444861322641373, "benchmark": false}
+{"step": 8820, "tokens": 4624220160, "loss": 2.876637077331543, "tokens_per_second": 981684.880754016, "lr": 0.0015, "gradient_norm": 0.0745430439710617, "benchmark": false}
+{"step": 8840, "tokens": 4634705920, "loss": 2.8507137298583984, "tokens_per_second": 979714.4990773012, "lr": 0.0015, "gradient_norm": 0.07116901129484177, "benchmark": false}