Warn to use XFS as File system type in AWS EBS #1590

Job	Run time
govet (1.21.x, ubuntu-latest)	3m 17s
Check for vulnerable dependencies (1.21.x)	56s
lint (1.21.x, ubuntu-latest)	5m 36s
Shellcheck (1.21.x)	46s
operator (1.21.x, ubuntu-latest)	5m 11s
gotest (1.21.x, ubuntu-latest)	3m 15s
test-kes (1.21.x, ubuntu-latest)	5m 30s
test-policy-binding (1.21.x, ubuntu-latest)	6m 19s
helm (1.21.x, ubuntu-latest)	3m 3s
helm-floor (1.21.x, ubuntu-latest)	3m 46s
test-tenant (1.21.x, ubuntu-latest)	3m 27s
test-tenant-upgrade (1.21.x, ubuntu-latest)	4m 53s
	45m 59s

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