ci: use zig cc for targeting glibc version #3

Job	Run time
Compile (ubuntu-latest, x86_64-unknown-linux-gnu, x86_64-linux, true)	1m 48s
Compile (ubuntu-latest, x86_64-unknown-linux-musl, x86_64-linux-musl, true)	2m 21s
Compile (ubuntu-latest, i686-unknown-linux-gnu, i686-linux, true)	2m 13s
Compile (ubuntu-latest, i686-unknown-linux-musl, i686-linux-musl, true)	2m 18s
Compile (ubuntu-latest, aarch64-unknown-linux-gnu, aarch64-linux, true)	2m 11s
Compile (ubuntu-latest, aarch64-unknown-linux-musl, aarch64-linux-musl, true)	2m 8s
Compile (ubuntu-latest, armv7-unknown-linux-gnueabi, armv7-linux, true)	2m 4s
Compile (ubuntu-latest, armv7-unknown-linux-gnueabihf, armv7-linux-hf, true)	2m 9s
Compile (ubuntu-latest, armv7-unknown-linux-musleabi, armv7-linux-musl, true)	2m 19s
Compile (ubuntu-latest, armv7-unknown-linux-musleabihf, armv7-linux-muslhf, true)	2m 25s
Compile (windows-latest, x86_64-pc-windows-msvc, x86_64-windows, false, .exe)	2m 13s
Compile (windows-latest, i686-pc-windows-msvc, i686-windows, true, .exe)	3m 24s
Compile (macos-latest, x86_64-apple-darwin, x86_64-darwin, false)	1m 55s
Compile (macos-latest, aarch64-apple-darwin, aarch64-darwin, true)	2m 42s
Compile (ubuntu-latest, x86_64-unknown-freebsd, x86_64-freebsd, true)	2m 7s
Release	59s
	35m 16s

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