chore: Release exec-harness version 1.3.0 🎉 #1662

Job	Run time
plan	31s
build-local-artifacts (aarch64-unknown-linux-gnu)	1m 25s
build-local-artifacts (x86_64-unknown-linux-gnu)	1m 11s
custom-create-draft-release / main	7s
build-global-artifacts	1m 0s
host	41s
announce	7s
custom-post-announce / main	4s
	5m 6s

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