feat: add shorebird_code_push_updater

[felangel]

Description

• feat: add shorebird_code_push_updater

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore

[eseidel]

Do you want it in packages even though it's rust? 🤷

[eseidel]

Also, this has two copies of the rust code under two different names?

[felangel]

Also, this has two copies of the rust code under two different names?

yup just resolved.

[eseidel]

lgtm.

[felangel]

Do you want it in packages even though it's rust? 🤷

Not sure what the conventions are of rust monorepos happy to move it somewhere else.