chore: update Solidity version to 0.8.30

[shunkakinoki]

• Update pragma in ITrailsIntentEntrypoint.sol
• Update pragma in TrailsIntentEntrypoint.t.sol

[Copilot]

Pull request overview

This PR completes the Solidity version migration to 0.8.30 by updating the pragma statements in the final two files that were still using 0.8.20. The changes align with the project's foundry.toml configuration which specifies Solidity 0.8.30 as the target compiler version.

Key Changes:

• Updated pragma directive from ^0.8.20 to ^0.8.30 in the remaining two files to match the rest of the codebase

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
test/TrailsIntentEntrypoint.t.sol	Updated Solidity pragma to 0.8.30 to match the configured compiler version
src/interfaces/ITrailsIntentEntrypoint.sol	Updated Solidity pragma to 0.8.30 to maintain consistency across the codebase

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