chore: Release v1.8.0 #1557

Job	Run time
Install zebrad from lockfile without cache on ubuntu-latest	8m 22s
Test stable on ubuntu-latest	28m 15s
Test beta on ubuntu-latest	28m 7s
Check deny.toml bans	28s
Test stable on macos-latest	30m 5s
Check Cargo.lock is up to date	57s
Check deny.toml bans --features default-release-binaries	28s
Test stable on windows-latest	53m 13s
Check for unused dependencies	10s
Check deny.toml bans --all-features	29s
Test beta on windows-latest	53m 50s
Check deny.toml sources	27s
Check deny.toml sources --features default-release-binaries	26s
Check deny.toml sources --all-features	54s
Open or update issues for OS integration failures	0s
	3h 26m 11s

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