initial Migration to cucumber 7

[filippor]

🤔 What's changed?

⚡️ What's your motivation?

🏷️ What kind of change is this?

• 🏦 Refactoring/debt/DX (improvement to code design, tooling, documentation etc. without changing behaviour)
• 🐛 Bug fix (non-breaking change which fixes a defect)
• ⚡ New feature (non-breaking change which adds new behaviour)
• 💥 Breaking change (incompatible changes to the API)

♻️ Anything particular you want feedback on?

📋 Checklist:

• I agree to respect and uphold the Cucumber Community Code of Conduct
• I've changed the behaviour of the code
  • I have added/updated tests to cover my changes.
• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
• Users should know about my change
  • I have added an entry to the "Unreleased" section of the CHANGELOG, linking to this pull request.

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[laeubi]

@filippor great to take a look at this, I think, as cucumber 6 + cucumber 7 are actually incompatible here (or do you found it being backward compatible?) it might be good to create a 3.0.0-SNAPSHOT what do you think?

[filippor]

For now is just a tentative to update. If I can make it work. I will think about the compatibility