Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -988,3 +988,5 @@
 {"step": 19760, "tokens": 10359930880, "loss": 2.7228086471557615, "tokens_per_second": 996178.2929142038, "lr": 0.0015, "gradient_norm": 0.16393040120601654, "benchmark": false}
 {"step": 19780, "tokens": 10370416640, "loss": 2.7475027084350585, "tokens_per_second": 912376.6426194644, "lr": 0.0015, "gradient_norm": 0.14863534271717072, "benchmark": false}
 {"step": 19800, "tokens": 10380902400, "loss": 2.7468582153320313, "tokens_per_second": 982878.9220169957, "lr": 0.0015, "gradient_norm": 0.1454748809337616, "benchmark": false}
+{"step": 19820, "tokens": 10391388160, "loss": 2.77371826171875, "tokens_per_second": 988750.1280899943, "lr": 0.0015, "gradient_norm": 0.14740391075611115, "benchmark": false}
+{"step": 19840, "tokens": 10401873920, "loss": 2.7487648010253904, "tokens_per_second": 986397.7296181752, "lr": 0.0015, "gradient_norm": 0.15100659430027008, "benchmark": false}