ci: Add a bootc/c9s workflow #2058

Job	Run time
build-integration	3m 55s
Build (Fedora)	1m 15s
Code style	46s
Debian Stable with sign-ed25519 and FUSE 2	7m 34s
Build - FCOS minimal	1m 42s
Debian Stable with curl, sign-ed25519, no gpgme, FUSE 3	6m 58s
Debian Stable 32 bit	7m 48s
Debian Stable without libsystemd	7m 14s
Debian Testing	7m 58s
Debian Testing with libsoup3	7m 17s
Debian stable + static-prepareroot	7m 12s
Ubuntu Latest Release	7m 19s
Privileged testing	39s
	1h 7m 37s

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