scheduled workflow: Support multi-arch #525

Job	Run time
unittests	10s
sanity	17s
bookworm, x64, good, verbose=bloom / build debs	5m 47s
bookworm, arm64, good, verbose=bloom / build debs	7m 25s
jammy, x64, good / build debs	5m 44s
jammy, arm64, good / build debs	7m 30s
noble, arm64, good, verbose=true / build debs	8m 40s
noble, x64, good, verbose=true / build debs	5m 58s
bookworm squash / deploy	0s
jammy push / deploy	0s
	41m 31s

Provide feedback