(config-migration) Add `do_migrate_from_v0()` implementation #3397

Job	Run time
plan	21s
build-local-artifacts (${{ join(matrix.targets, ', ') }})	0s
build-global-artifacts	0s
host	0s
publish-npm	0s
publish-homebrew-formula	0s
custom-publish-crates	0s
announce	0s
	21s

Provide feedback