Add a warning on HW neurons staking step 2 #34238

Job	Run time
cargo-tests	9m 28s
spelling	4m 6s
formatting	1m 45s
vitest-shard-1-of-2	3m 58s
vitest-shard-2-of-2	4m 9s
Config is as expected	29s
Can get NNS proposal args	0s
IC Commit	25s
Migration test utilities work	17s
minor-version-bump-works	1m 33s
Release template	3m 24s
ShellCheck	20s
small-tests (ubuntu-20.04)	1m 44s
small-tests (macos-13)	2m 29s
svelte-lint	1m 32s
The nns-dapp npm and cargo versions should match	56s
checks-pass	4s
	36m 39s

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