API changelog workflow

[p3rotto]

📝 Description

Github actions workflow to post a PR comment with the API changelog.
Experimental tests were made here: #1304

🔗 Related Issue

Fixes #

🚀 Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation update
• 🎨 Style/UI update
• ♻️ Code refactor
• ⚡ Performance improvement
• ✅ Test update
• 🔧 Build configuration change
• 🧹 Chore

📋 Changes Made

• Added gateway/cmd/openapi-gen utility to generate and save V3 specs on disk
• Added a new Github actions workflow: breaking-change-check

🧪 Testing

Test Configuration:

• Browser(s):
• OS:

Tests performed:

• Unit tests pass
• Integration tests pass
• Manual testing completed

📸 Screenshots (if applicable)

✅ Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• New and existing unit tests pass locally with my changes
• I have checked my code and corrected any misspellings

📄 Additional Notes

First run is really expected to fail. After merging to main the pipeline should work

[racerxdl]

LGTM!

[sandromello]

✅ Build Completed with Success, Version=1309.0.0-d023994