chore: check FS gen in hack/update-codegen.sh (#2395) #1438

Job	Run time
test-integration	16m 3s
e2e-on-cluster-test (ubuntu-latest)	22m 8s
check	2m 3s
e2e-test (ubuntu-latest)	16m 5s
test-unit (21, ubuntu-latest)	6m 53s
test-unit (21, windows-latest)	12m 38s
test-unit (21, macos-latest)	5m 7s
build	9m 23s
publish-image	5m 58s
publish-utils-image	4m 34s
	1h 40m 52s

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