fix: update links from goerli to holesky

[wackerow]

Description

• Link to EthStaker Goerli launchpad no longer functional; updates to use Holesky link.
• Updates English string only; remainder to be patched via Crowdin flow.

Related Issue

None filed

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[wackerow]

Good catch, thanks @corwintines! Committed that string update for the English version.. hoping to let the Crowdin process handle the non-English versions since this is lower priority. Should be good now