feature(centagent): first centagent executable #3637

Job	Run time
get-version / get-version	6s
unit test alma8	11m 52s
unit test alma9	11m 40s
promote	0s
unit test debian-bullseye	11m 40s
unit test debian-bookworm	15m 21s
package / package el8 amd64	7m 19s
package / package el9 amd64	7m 16s
package / package bullseye amd64	6m 18s
package / package bookworm amd64	6m 17s
package / package jammy amd64	4m 43s
package / package bullseye arm64	5m 27s
package / package bookworm arm64	5m 38s
deliver ${{ matrix.distrib }}	0s
deliver ${{ matrix.distrib }}	0s
deliver-sources	0s
	1h 33m 37s

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