Fix broken VerificationEthAddressClaim doc links in signer docs

[GarmashAlex]

Why is this change needed?

This PR updates the documentation links for VerificationEthAddressClaim in the signer docs (ViemLocalEip712Signer.md, EthersV5Eip712Signer.md, and EthersEip712Signer.md). The links now correctly point to the VerificationEthAddressClaim section in Messages.md instead of the outdated or missing types.md. This ensures that users can easily find the relevant type documentation without encountering broken links.

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PR-Codex overview

This PR updates the documentation for the claim parameter in three signer files, changing the reference from ../modules/types.md#verificationethaddressclaim to ../Messages.md#verificationethaddressclaim.

Detailed summary

• Updated claim reference in EthersEip712Signer.md to point to ../Messages.md#verificationethaddressclaim.
• Updated claim reference in EthersV5Eip712Signer.md to point to ../Messages.md#verificationethaddressclaim.
• Updated claim reference in ViemLocalEip712Signer.md to point to ../Messages.md#verificationethaddressclaim.

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