Build

CI: output build errors as GitHub annotations #63

Job	Run time
macOS (macos-26)	8s
macOS (macos-latest)	10s
Tag and release on version change	3s
Debian (stable)	24s
Alpine (latest)	9s
openSUSE Leap	54s
Arch Linux	19s
Rocky Linux 9	22s
Debian (oldstable)	27s
Fedora (latest)	28s
Ubuntu (latest)	25s
Ubuntu (24.04 LTS)	28s
	4m 17s

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