Proposal(CLI): after_instantiate_classes hook #14245

Job	Run time
pl-cpu (macOS-14, lightning, 3.10, 2.1)	20m 44s
pl-cpu (ubuntu-20.04, lightning, 3.10, 2.1)	15m 18s
pl-cpu (windows-2022, lightning, 3.10, 2.1)	16m 57s
pl-cpu (macOS-14, lightning, 3.11, 2.2.2)	20m 16s
pl-cpu (ubuntu-20.04, lightning, 3.11, 2.2.2)	14m 44s
pl-cpu (windows-2022, lightning, 3.11, 2.2.2)	17m 38s
pl-cpu (macOS-14, lightning, 3.11, 2.3)	20m 53s
pl-cpu (ubuntu-20.04, lightning, 3.11, 2.3)	15m 29s
pl-cpu (windows-2022, lightning, 3.11, 2.3)	18m 34s
pl-cpu (macOS-14, lightning, 3.12, 2.4.1)	22m 12s
pl-cpu (ubuntu-22.04, lightning, 3.12, 2.4.1)	20m 9s
pl-cpu (windows-2022, lightning, 3.12, 2.4.1)	17m 30s
pl-cpu (macOS-14, lightning, 3.12, 2.5.1)	22m 29s
pl-cpu (ubuntu-22.04, lightning, 3.12, 2.5.1)	19m 45s
pl-cpu (windows-2022, lightning, 3.12, 2.5.1)	18m 44s
pl-cpu (macOS-14, pytorch, 3.12, 2.5.1)	21m 28s
pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.5.1)	21m 46s
pl-cpu (windows-2022, pytorch, 3.12, 2.5.1)	18m 34s
pl-cpu (macOS-14, lightning, 3.9, 2.1, oldest)	18m 23s
pl-cpu (ubuntu-20.04, lightning, 3.9, 2.1, oldest)	13m 7s
pl-cpu (windows-2022, lightning, 3.9, 2.1, oldest)	14m 41s
pl-cpu (macOS-14, pytorch, 3.9, 2.1)	21m 40s
pl-cpu (ubuntu-20.04, pytorch, 3.9, 2.1)	15m 36s
pl-cpu (windows-2022, pytorch, 3.9, 2.1)	16m 1s
	7h 22m 38s

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