Implement Soroban Upgradeability Analyzer

[mijinummi]

🧠 Concept

Analyze upgrade-related mechanisms in Soroban contracts.

⚠️ Problem

Poorly controlled upgrades can introduce security and governance risks.

📁 Implementation Scope

• packages/analyzers/soroban/upgrades/
• packages/rules/soroban/upgrades/

✅ Requirements

• Detect upgrade mechanisms
• Identify upgrade authorization
• Track upgrade entry points
• Report missing controls

🎯 Acceptance Criteria

• Upgrade analyzer implemented
• Upgrade paths detected
• Authorization analyzed
• Findings generated

[oyinade247]

can i work on this pleaseeeeeeeeeee