adding a new workflow to validate the FlexibleIPAM feature #32332

Job	Run time
Compute outputs for use by other jobs	16s
build-ubi	7m 46s
build (linux/amd64, ubuntu-latest, amd64)	2m 47s
build (linux/arm64, github-arm64-2c-8gb, arm64)	4m 56s
build (linux/arm/v7, github-arm64-2c-8gb, arm)	6m 18s
build-antrea-mc-controller	3m 26s
build-antrea-migrator	13s
build-flow-aggregator	2m 12s
build-scale	2m 3s
build-windows	2m 45s
push-manifest	0s
	32m 42s

Provide feedback