Prepare for release v1.3.0 #1797

Job	Run time
GPU Tests	5m 15s
python 3.9 - Lint	56s
python 3.9 - Type check	3m 56s
python 3.9 - Build	1m 18s
python 3.9 - Style	1m 9s
python 3.9 - Docs	1m 35s
python 3.9 - Test	2m 54s
python 3.9 - Datasets integration	46s
python 3.9 - PyTorch integration	52s
python 3.9 - Transformers integration	1m 29s
python 3.9 - FairScale integration	40s
python 3.9 - W&B integration	4m 33s
python 3.9 - Beaker integration	2m 46s
python 3.9 - Flax integration	4m 15s
python 3.9 - GS integration	1m 0s
python 3.9 - Example - train_lm	1m 40s
python 3.8 - Test	3m 45s
python 3.10 - Test	3m 14s
Release	0s
	42m 3s

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