Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1385,3 +1385,5 @@
 {"step": 27700, "tokens": 14522777600, "loss": 2.6924310684204102, "tokens_per_second": 977649.4146888462, "lr": 0.0015, "gradient_norm": 0.17885956168174744, "benchmark": false}
 {"step": 27720, "tokens": 14533263360, "loss": 2.728214073181152, "tokens_per_second": 973693.5141362102, "lr": 0.0015, "gradient_norm": 0.21110530197620392, "benchmark": false}
 {"step": 27740, "tokens": 14543749120, "loss": 2.709841728210449, "tokens_per_second": 972993.7774869222, "lr": 0.0015, "gradient_norm": 0.1710556447505951, "benchmark": false}
+{"step": 27760, "tokens": 14554234880, "loss": 2.7399322509765627, "tokens_per_second": 970426.7659089611, "lr": 0.0015, "gradient_norm": 0.17956961691379547, "benchmark": false}
+{"step": 27780, "tokens": 14564720640, "loss": 2.729500579833984, "tokens_per_second": 976814.656735601, "lr": 0.0015, "gradient_norm": 0.20494452118873596, "benchmark": false}