Tests

Add keyword `wandb_log_freq: LogFreq = LogEachBatch` to `Trainer.train()` #575

Job	Run time
tests (ubuntu-latest, 3.10, highest)	5m 13s
tests (ubuntu-latest, 3.12, lowest-direct)	6m 12s
tests (macos-14, 3.10, highest)	6m 10s
tests (macos-14, 3.12, lowest-direct)	5m 52s
tests (windows-latest, 3.10, highest)	13m 14s
tests (windows-latest, 3.12, lowest-direct)	14m 54s
	51m 35s

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