Offer language updates of Gherkin v29 in the editor (updated from Gherkin v22)

[gasparnagy]

🤔 What's changed?

Updated Gherkin dependency.

⚡️ What's your motivation?

Fixes #33.

🏷️ What kind of change is this?

• 📖 Documentation (improvements without changing code)
• 🏦 Refactoring/debt/DX (improvement to code design, tooling, 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've changed the behaviour of the code
  • I have added/updated tests to cover my changes.
• Users should know about my change
  • I have added an entry to the "[vNext]" section of the CHANGELOG, linking to this pull request & included my GitHub handle to the release contributors list.

---

This text was originally taken from the template of the Cucumber project, then edited by hand. You can modify the template here.