repo: release 0.4.8 #413

Job	Run time
Integration (switchover)	4m 26s
Integration (error_paths)	5m 34s
Integration (persistent_schemas)	9m 34s
Integration (ttls)	5m 48s
Integration (lifecycle)	4m 2s
Integration (ephemeral)	4m 16s
All integrations green	3s
	33m 43s

Provide feedback