feature(centagent): first centagent executable #3604

Job	Run time
get-version / get-version	3s
unit test alma8	15m 25s
promote	0s
unit test alma9	15m 7s
unit test debian-bullseye	15m 0s
unit test debian-bookworm	14m 43s
package / package el8 amd64	8m 16s
package / package el9 amd64	7m 41s
package / package bullseye amd64	6m 54s
package / package bookworm amd64	6m 58s
package / package jammy amd64	6m 16s
package / package bullseye arm64	5m 40s
package / package bookworm arm64	4m 8s
deliver-sources	0s
deliver ${{ matrix.distrib }}	0s
deliver ${{ matrix.distrib }}	0s
	1h 46m 11s

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