Bump golangci-lint to v1.56.2

[gaby]

Description

Bump golangci-lint to v1.56.2

Changes Introduced

List the new features or adjustments introduced in this pull request. Provide details on benchmarks, documentation updates, changelog entries, and if applicable, the migration guide.

• [ ] Benchmarks: Describe any performance benchmarks and improvements related to the changes.
• [ ] Documentation Update: Detail the updates made to the documentation and links to the changed files.
• [ ] Changelog/What's New: Include a summary of the additions for the upcoming release notes.
• [ ] Migration Guide: If necessary, provide a guide or steps for users to migrate their existing code to accommodate these changes.
• [ ] API Alignment with Express: Explain how the changes align with the Express API.
• [ ] API Longevity: Discuss the steps taken to ensure that the new or updated APIs are consistent and not prone to breaking changes.
• [ ] Examples: Provide examples demonstrating the new features or changes in action.

Type of Change

Please delete options that are not relevant.

• [ ] New feature (non-breaking change which adds functionality)
• [ ] Enhancement (improvement to existing features and functionality)
• [ ] Documentation update (changes to documentation)
• [ ] Performance improvement (non-breaking change which improves efficiency)
• [x] Code consistency (non-breaking change which improves code reliability and robustness)