[DX-5057] add solana key read

[Tofel]

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[github-actions]

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[github-actions]

✅ API Diff Results - github.com/smartcontractkit/chainlink-testing-framework/framework

✅ Compatible Changes (7)

clclient (4)

• SolanaKey — ➕ Added

• SolanaKeyAttributes — ➕ Added

• SolanaKeyData — ➕ Added

• SolanaKeys — ➕ Added

clclient.(*ChainlinkClient) (3)

• MustReadSolanaAccounts — ➕ Added

• MustReadSolanaKeys — ➕ Added

• ReadSolanaKeys — ➕ Added

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[Copilot]

Pull request overview

This PR adds Solana key read support to the framework/clclient package, enabling consumers of the testing framework to fetch Solana keys (and derive Solana account/public key strings) from a Chainlink node via the /v2/keys/solana endpoint.

Changes:

• Added REST response models for Solana keys in clclient (SolanaKey* structs).
• Added ReadSolanaKeys, MustReadSolanaKeys, and MustReadSolanaAccounts methods to ChainlinkClient.
• Added a framework changeset entry noting the new capability.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
framework/clclient/models.go	Adds Solana key response models used by the REST client methods.
framework/clclient/client.go	Implements Solana key read methods and a helper to return Solana public keys as account addresses.
framework/.changeset/v0.16.7.md	Documents the addition of Solana key reading support.

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