Skip TestFQDNCacheMinTTL if cluster has Windows Nodes. Fixes #6891 #32211

Job	Run time
Compute outputs for use by other jobs	15s
build-ubi	4m 16s
build-scale	1m 55s
build (linux/amd64, ubuntu-latest, amd64)	2m 39s
build (linux/arm64, github-arm64-2c-8gb, arm64)	4m 37s
build (linux/arm/v7, github-arm64-2c-8gb, arm)	5m 46s
build-antrea-mc-controller	3m 23s
build-antrea-migrator	13s
build-windows	2m 45s
build-flow-aggregator	2m 15s
push-manifest	0s
	28m 4s

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