Add manifest subtarget to apk_genrule #7505

Job	Run time
Get the latest prelude hash	2s
build (ubuntu-22.04, aarch64-unknown-linux-gnu, true)	9m 26s
build (ubuntu-22.04, aarch64-unknown-linux-musl, true)	9m 24s
build (ubuntu-22.04, x86_64-unknown-linux-gnu)	8m 34s
build (ubuntu-22.04, x86_64-unknown-linux-musl, true)	8m 58s
build (macos-13, aarch64-apple-darwin, true)	25m 51s
build (macos-13, x86_64-apple-darwin)	25m 14s
build (windows-2022, x86_64-pc-windows-msvc, true)	18m 32s
Check if there's a release for this half of the month already	1s
Publish buck2.build	2m 23s
Release `latest` tag	23s
Release bi-monthly tag	0s
	1h 48m 48s

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