Deduplicate walltime perf symbols, unwind data and debug info across pids #1416

Job	Run time
plan	29s
build-local-artifacts (${{ join(matrix.targets, ', ') }})	-1s
custom-create-draft-release	-1s
build-global-artifacts	0s
announce	0s
host	0s
custom-post-announce	0s
	27s

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