Backport the Fedora-based nettest image to 0.19 #924

Job	Run time
Clean up generated files	3m 57s
Images	5m 21s
Clean up clusters	1m 43s
Compilation	1m 7s
Build multi-arch images	4m 1s
Clusters	1m 49s
Deployment (operator)	2m 43s
Multiple gateways support	1m 40s
Deployment (helm)	2m 47s
E2E	3m 14s
Post mortem	2m 43s
Deployment (globalnet, operator)	3m 2s
Deployment (globalnet, helm)	3m 21s
Unit tests	2m 28s
Deployment (air-gap)	3m 14s
Deployment (air-gap, globalnet)	3m 18s
Deployment (air-gap, lighthouse)	3m 53s
Deployment (air-gap, ovn)	6m 41s
Deployment (dual-stack)	4m 7s
Deployment (ovn)	6m 26s
Deployment (ovn-ic)	6m 16s
Deployment (operator, lighthouse)	2m 54s
Deployment (helm, lighthouse)	2m 30s
Deployment (load-balancer)	3m 28s
Deployment (prometheus)	3m 35s
	1h 26m 18s

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