Fix schemas generation on RTD (backport #5789) #4149

Job	Run time
Integration Tests (f40)	8m 4s
Build Documentation (f40)	1m 31s
Integration Tests (f41)	7m 42s
Pre-commit checks	3m 28s
Build Documentation (f41)	1m 14s
Integration Tests (rawhide)	7m 37s
Build Documentation (pip)	3m 7s
Build the RPMS (f40)	1m 54s
Build Documentation (rawhide)	1m 18s
Unit Tests (f40, bodhi-client)	1m 44s
Build the RPMS (f41)	1m 51s
Unit Tests (f40, bodhi-messages)	1m 18s
Build the RPMS (rawhide)	1m 15s
Unit Tests (f40, bodhi-server)	4m 28s
Unit Tests (f41, bodhi-client)	1m 3s
Unit Tests (f41, bodhi-messages)	1m 11s
Unit Tests (f41, bodhi-server)	3m 30s
Unit Tests (pip, bodhi-client)	3m 5s
Unit Tests (pip, bodhi-messages)	2m 51s
Unit Tests (pip, bodhi-server)	5m 51s
Unit Tests (rawhide, bodhi-client)	1m 4s
Unit Tests (rawhide, bodhi-messages)	1m 5s
Unit Tests (rawhide, bodhi-server)	3m 30s
Diff-cover check	11s
	1h 9m 52s

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