Make C++ tools configurable (#847) #7557

Job	Run time
Get the latest prelude hash	3s
build (ubuntu-22.04, aarch64-unknown-linux-gnu, true)	9m 17s
build (ubuntu-22.04, aarch64-unknown-linux-musl, true)	10m 1s
build (ubuntu-22.04, x86_64-unknown-linux-gnu)	8m 43s
build (ubuntu-22.04, x86_64-unknown-linux-musl, true)	9m 57s
build (macos-13, aarch64-apple-darwin, true)	18m 49s
build (macos-13, x86_64-apple-darwin)	24m 26s
build (windows-2022, x86_64-pc-windows-msvc, true)	17m 29s
Release `latest` tag	25s
Check if there's a release for this half of the month already	4s
Publish buck2.build	2m 58s
Release bi-monthly tag	0s
	1h 42m 12s

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