Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -946,3 +946,5 @@
 {"step": 18920, "tokens": 9919528960, "loss": 2.7621150970458985, "tokens_per_second": 972782.1484616387, "lr": 0.0015, "gradient_norm": 0.16017542779445648, "benchmark": false}
 {"step": 18940, "tokens": 9930014720, "loss": 2.727202796936035, "tokens_per_second": 973235.1702008498, "lr": 0.0015, "gradient_norm": 0.15433576703071594, "benchmark": false}
 {"step": 18960, "tokens": 9940500480, "loss": 2.751300811767578, "tokens_per_second": 977357.1369480103, "lr": 0.0015, "gradient_norm": 0.14042624831199646, "benchmark": false}
+{"step": 18980, "tokens": 9950986240, "loss": 2.731955718994141, "tokens_per_second": 973377.4680011334, "lr": 0.0015, "gradient_norm": 0.13745440542697906, "benchmark": false}
+{"step": 19000, "tokens": 9961472000, "loss": 2.720782661437988, "tokens_per_second": 969674.3917193501, "lr": 0.0015, "gradient_norm": 0.15510135889053345, "benchmark": false}