GHA: Add workflow for building and publishing packages. #8

Job	Run time
Build RPM / Build	2m 16s
Build DEB (bookworm, armhf) / Build	5m 10s
Build DEB (bullseye, amd64) / Build	48s
Build DEB (bookworm, amd64) / Build	51s
Build DEB (buster, amd64) / Build	1m 4s
Build DEB (buster, armhf) / Build	5m 31s
Build DEB (bullseye, armhf) / Build	5m 27s
Build DEB (stretch, amd64) / Build	43s
Build DEB (stretch, armhf) / Build	5m 10s
Copy to remote RPM	0s
Meta RPM	0s
Copy meta to remote RPM	0s
Copy hash to remote RPM	0s
Copy to remote DEB	0s
Meta DEB	0s
Copy meta to remote DEB	0s
Copy hash to remote DEB	0s
	27m 0s

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