Fix wrong link in translation es
Fix wrong link in translation es

Before this change, "Espanol" > "Bitcoin Core 0.21.2 liberado" links
a wrong page, the Japanese release notice.

Should fix issue #844.

bitcoin-core/bitcoincore.org,bitcoin-core/bitcoincore.org,bitcoin-core/bitcoincore.org,bitcoin-core/bitcoincore.org,bitcoin-core/bitcoincore.org,bitcoin-core/bitcoincore.org