Add gazpacho CI jobs, drop caracal and flamingo/master 22.04 jobs #105

Job	Run time
A job to deploy devstack with defaults (master-24.04, master, 24.04)	9m 16s
A job to deploy devstack with defaults (flamingo-24.04, stable/2025.2, 24.04)	8m 48s
A job to deploy devstack with defaults (gazpacho-24.04, stable/2026.1, 24.04)	1h 6m 6s
A job to deploy devstack with defaults (epoxy-24.04, stable/2025.1, 24.04)	9m 10s
A job to deploy devstack with defaults (dalmatian-24.04, stable/2024.2, 24.04)	7m 47s
A job to deploy devstack with defaults (master, master, 22.04)	4m 44s
A job to deploy devstack with defaults (dalmatian-22.04, stable/2024.2, 22.04)	9m 0s
A job to deploy devstack with defaults (epoxy-22.04, stable/2025.1, 22.04)	9m 15s
	2h 4m 6s

Provide feedback