chore: Update timeout context logging in multipartrequest.go

[ShocOne]

Change

logging tweaks

Type of Change

• Refactor (refactoring code, removing code, changing code structure)

Checklist

• I'm sure there are no other open Pull Requests for the same update/change
• My corresponding pipelines / checks run clean and green without any errors or warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (readme)
• I did format my code