[ethereum/go-ethereum] signer/storage: fix typo (#17504)

You can view, comment on, or merge this pull request online at:

https://github.com/ethereum/go-ethereum/pull/17504

— Commit Summary —

* signer/storage: fix typo

— File Changes —

M signer/storage/aes_gcm_storage.go (2)

— Patch Links —

https://github.com/ethereum/go-ethereum/pull/17504.patch
https://github.com/ethereum/go-ethereum/pull/17504.diff