Perhaps we should also reject future versions as an additional safeguard in case we don't update the light client in time?

Perhaps we should also reject future versions as an additional safeguard in case we don't update the light client in time?
However, this line matches the reference

_Originally posted by @kiseln in https://github.com/Near-One/btc-light-client-contract/pull/115#discussion_r2214181741_
            