File naming with diacritics

[arnoFleming]

Proposed changes

things and stuff

This closes https://wetransfer.atlassian.net/browse/PUBAPI-131

What types of changes does your code introduce to wetransfer_ruby_sdk?
Put an x in the boxes that apply

• Docs (missing or updated docs)
• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Improvement / maintenance (removing technical debt, performance, tooling, etc...)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I have read the CONTRIBUTING doc
• I have added necessary documentation (if appropriate)
• Code changes are covered by unit tests.
• Any dependent changes have been merged and published in downstream modules

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...