ci: use some tricks to format macro bodies #2174

Job	Run time
Build Channels Linux (stable)	6s
Build Channels Linux (beta)	11s
macOS (aarch64-apple-darwin)	1m 9s
Build Channels Linux (nightly)	10s
Build Channels Windows (1.63.0)	13s
Build Channels Linux (1.63.0)	1m 44s
Docker Linux Tier1 (i686-unknown-linux-gnu)	3m 26s
Build Channels Windows (stable)	14s
Style check	13s
Docker Linux Tier1 (x86_64-unknown-linux-gnu)	3m 14s
Check #[cfg]s	12s
Windows (x86_64-pc-windows-gnu, 64, x86_64)	4m 11s
Solaris (x86_64-pc-solaris)	3m 47s
Windows (x86_64-pc-windows-msvc)	3m 18s
Windows (i686-pc-windows-msvc)	3m 10s
Build Channels macOS (stable, macos-14)	10s
Build Channels macOS (beta, macos-14)	17s
Build Channels macOS (nightly, macos-14)	14s
Build Channels macOS (1.63.0, macos-14)	1m 53s
Docker Linux Tier2	0s
success	1s
	27m 53s

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