chore: update dependencies and modify library paths in foundry.toml

[huyhuynh3103]

Description

Checklist

• I have clearly commented on all the main functions following the NatSpec Format
• The box that allows repo maintainers to update this PR is checked
• I tested locally to make sure this feature/fix works

[Copilot]

Pull request overview

This PR updates the dependency management configuration by migrating the forge-std dependency from soldeer's S3 bucket to the official GitHub repository source, and configures the project to support soldeer's dependency directory structure.

• Updated forge-std dependency source from soldeer S3 to GitHub
• Added "dependencies" folder to library paths for soldeer-managed dependencies
• Updated checksums and integrity hashes to reflect new dependency sources

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
soldeer.lock	Updated forge-std URL to GitHub source and refreshed checksums/integrity hashes for forge-std and openzeppelin
foundry.toml	Added "dependencies" to libs array and specified explicit GitHub URL for forge-std dependency

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