Upgrade cargo-dist to 0.31 #23

Job	Run time
plan	16s
build-local-artifacts (aarch64-apple-darwin)	2m 48s
build-local-artifacts (aarch64-unknown-linux-gnu)	3m 7s
build-local-artifacts (x86_64-unknown-linux-gnu)	7m 45s
build-local-artifacts (x86_64-apple-darwin)	1m 44s
build-local-artifacts (x86_64-pc-windows-msvc)	3m 31s
build-global-artifacts	17s
host	-1s
announce	0s
	19m 27s

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