Standard weekly patch release

[1.4.5] - 2021-08-31

• Fixed reduction using self.log(sync_dict=True, reduce_fx={mean,max}) (#9142)
• Fixed not setting a default value for max_epochs if max_time was specified on the Trainer constructor (#9072)
• Fixed the CometLogger, no longer modifies the metrics in place. Instead creates a copy of metrics before performing any operations (#9150)
• Fixed DDP "CUDA error: initialization error" due to a copy instead of deepcopy on ResultCollection (#9239)

Contributors

@ananthsub @bamblebam @carmocca @daniellepintz @ethanwharris @kaushikb11 @sohamtiwari3120 @tchaton

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