feat: upgrade eslint v10

[BlobMaster41]

Disable the 'no-useless-assignment' rule in eslint.config.js because it caused incorrect/overzealous linting in the codebase. Also refresh package lock to pick up updated dependency versions.

Description

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Performance improvement
• Refactoring (no functional changes)
• Documentation update
• CI/CD changes
• Dependencies update

Checklist

Build & Tests

• npm install completes without errors
• npm test passes all tests
• npm run browserBuild completes without errors (if applicable)

Code Quality

• Code follows the project's coding standards
• No new compiler/linter warnings introduced
• Error handling is appropriate
• TypeScript types are properly defined

Documentation

• Code comments added for complex logic
• Public APIs are documented
• README updated (if applicable)

Security

• No sensitive data (keys, credentials) committed
• No new security vulnerabilities introduced
• Cryptographic operations reviewed (if applicable)

Bitcoin Specific

• Transaction serialization/deserialization is correct
• Script operations are properly validated
• Network parameters are handled correctly
• PSBT operations maintain compatibility

Testing

Related Issues

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