ci: add pr-valdidation pipeline and run tests in release

[fvanderflier]

What Changed?

Why?

Closes #(issue number)

Type of Change

• 🐛 Bug fix (fixes an issue without breaking existing functionality)
• ✨ New feature (adds new functionality without breaking existing features)
• 💥 Breaking change (existing functionality will be affected)
• 📝 Documentation update
• 🔧 Maintenance (refactoring, dependencies, configuration)

How Did You Test This?

What I tested:

• [ ]
• [ ]

How to test it:

Review Checklist

• My code follows the project's style and conventions
• I've reviewed my own code for obvious issues
• I've added comments where the code might be confusing
• I've updated relevant documentation (if needed)
• I've tested my changes and they work as expected

Screenshots / Additional Context