Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -266,3 +266,5 @@
 {"step": 5320, "tokens": 2789212160, "loss": 2.9312274932861326, "tokens_per_second": 982310.5835244175, "lr": 0.0015, "gradient_norm": 0.0849388912320137, "benchmark": false}
 {"step": 5340, "tokens": 2799697920, "loss": 2.961272430419922, "tokens_per_second": 935002.5997755554, "lr": 0.0015, "gradient_norm": 0.08542951196432114, "benchmark": false}
 {"step": 5360, "tokens": 2810183680, "loss": 2.929550361633301, "tokens_per_second": 965670.9911927925, "lr": 0.0015, "gradient_norm": 0.07830847799777985, "benchmark": false}
+{"step": 5380, "tokens": 2820669440, "loss": 2.924506950378418, "tokens_per_second": 966678.1909652675, "lr": 0.0015, "gradient_norm": 0.07923851162195206, "benchmark": false}
+{"step": 5400, "tokens": 2831155200, "loss": 2.9516632080078127, "tokens_per_second": 974753.4470476174, "lr": 0.0015, "gradient_norm": 0.07655521482229233, "benchmark": false}