Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -938,3 +938,5 @@
 {"step": 18760, "tokens": 9835642880, "loss": 2.727306938171387, "tokens_per_second": 984329.6585641716, "lr": 0.0015, "gradient_norm": 0.13857623934745789, "benchmark": false}
 {"step": 18780, "tokens": 9846128640, "loss": 2.7347822189331055, "tokens_per_second": 991228.0074263852, "lr": 0.0015, "gradient_norm": 0.13486629724502563, "benchmark": false}
 {"step": 18800, "tokens": 9856614400, "loss": 2.759987449645996, "tokens_per_second": 940285.1045097407, "lr": 0.0015, "gradient_norm": 0.13096344470977783, "benchmark": false}
+{"step": 18820, "tokens": 9867100160, "loss": 2.725802993774414, "tokens_per_second": 970691.2985620613, "lr": 0.0015, "gradient_norm": 0.1531582623720169, "benchmark": false}
+{"step": 18840, "tokens": 9877585920, "loss": 2.7555524826049806, "tokens_per_second": 969109.3055810479, "lr": 0.0015, "gradient_norm": 0.1490205079317093, "benchmark": false}