Augment `Driver` class with error handling via `RetryInvoker` #6252

Job	Run time
Build, test and upload wheel	1m 23s
Strategy / FedMedian	1m 5s
Strategy / FedTrimmedAvg	1m 13s
Framework / bare	1m 36s
Strategy / QFedAvg	1m 9s
Framework / bare-https	1m 18s
Framework / jax	2m 2s
Framework / pytorch	2m 40s
Strategy / FaultTolerantFedAvg	1m 14s
Framework / tensorflow	2m 59s
Framework / tabnet	2m 35s
Strategy / FedAvgM	1m 15s
Framework / opacus	2m 36s
Strategy / FedAdam	1m 8s
Framework / pytorch-lightning	2m 32s
Strategy / FedAdagrad	1m 7s
Framework / mxnet	1m 38s
Strategy / FedYogi	1m 10s
Framework / scikit-learn	2m 24s
Framework / fastai	4m 14s
Framework / pandas	1m 37s
	38m 55s

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