Allow setting createrepo_c config per release #3325

Job	Run time
Pre-commit checks	4m 32s
Integration Tests (f38)	12m 8s
Build Documentation (f38)	2m 51s
Integration Tests (f39)	4m 48s
Unit Tests (f38, bodhi-client)	2m 13s
Build Documentation (f39)	2m 55s
Integration Tests (rawhide)	10m 41s
Unit Tests (f38, bodhi-messages)	2m 6s
Build Documentation (pip)	5m 18s
Build Documentation (rawhide)	2m 3s
Unit Tests (f38, bodhi-server)	7m 56s
Build the RPMS (f38)	2m 25s
Unit Tests (f39, bodhi-client)	1m 50s
Build the RPMS (f39)	2m 19s
Unit Tests (f39, bodhi-messages)	1m 55s
Build the RPMS (rawhide)	2m 1s
Unit Tests (f39, bodhi-server)	3m 11s
Unit Tests (pip, bodhi-client)	4m 32s
Unit Tests (pip, bodhi-messages)	3m 8s
Unit Tests (pip, bodhi-server)	12m 57s
Unit Tests (rawhide, bodhi-client)	2m 11s
Unit Tests (rawhide, bodhi-messages)	1m 49s
Unit Tests (rawhide, bodhi-server)	7m 57s
Diff-cover check	18s
	1h 44m 4s

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