Tests

ci: Add a bootc/c9s workflow #21

Job	Run time
Build (Fedora)	1m 20s
build-integration	4m 16s
Code style	47s
Build - FCOS minimal	1m 44s
Debian Stable with sign-ed25519 and FUSE 2	7m 50s
Debian Stable with curl, sign-ed25519, no gpgme, FUSE 3	7m 26s
Debian Stable 32 bit	7m 49s
Debian Stable without libsystemd	7m 21s
Debian Testing	7m 50s
Debian Testing with libsoup3	7m 7s
Debian stable + static-prepareroot	7m 12s
Ubuntu Latest Release	7m 14s
Privileged testing	40s
	1h 8m 36s

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