Add Morph Holesky Testnet

[RedHorse823]

PR-Codex overview

This PR adds support for Morph Holesky Testnet in the project.

Detailed summary

• Added Morph Holesky Testnet to the list of chains
• Defined morphHolesky chain with ID 2710, native currency Ether (ETH), RPC URLs, block explorers, and testnet flag

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PR-Codex overview

This PR adds support for the Morph Holesky Testnet chain.

Detailed summary

• Added Morph Holesky Testnet chain definition in morphHolesky.ts
• Updated index.ts to export morphHolesky
• Included chain details such as RPC URLs, block explorers, and native currency

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[changeset-bot]

🦋 Changeset detected

Latest commit: e50dbb1

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
viem	Patch

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