chore: Release codspeed-runner version 3.8.1 #644

Job	Run time
plan	21s
build-local-artifacts (aarch64-unknown-linux-musl)	6m 49s
build-local-artifacts (x86_64-unknown-linux-musl)	3m 19s
build-global-artifacts	19s
host	34s
announce	3s
custom-bump-action / main	6s
	11m 31s

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