fix: make compatible with together

[tstadel]

Related Issues

• fixes incompatibility to current together package
• fixes https://github.com/deepset-ai/haystack-schema-utils/actions/runs/16272746618/job/45944267651?pr=82

Proposed Changes?

• tolerate older click and typer versions

How did you test it?

• ran tests on click 8.1.8 and typer 0.15.4

Notes for the reviewer

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Checklist

• I have updated the referenced issue with new insights and changes
• If this is a code change, I have added unit tests
• I've used the conventional commit specification for my PR title
• I updated the docstrings
• If this is a code change, I added meaningful logs and prepared Datadog visualizations and alerts

[github-actions]

Coverage report

This PR does not seem to contain any modification to coverable code.