chore: bump version to 2.0.2 across all components

[shivasurya]

Summary

• Bump version to 2.0.2 across sast-engine, python-sdk, server.json, workflows, and README
• Sync all version references that were stale (some still at 1.3.7, 2.0.0, or 2.0.1)

Files Changed

• sast-engine/VERSION — 2.0.1 → 2.0.2
• sast-engine/cmd/root.go — 2.0.0 → 2.0.2
• sast-engine/mcp/types_test.go — 1.3.7 → 2.0.2
• python-sdk/pyproject.toml — 2.0.0 → 2.0.2
• server.json — 1.3.7 → 2.0.2
• .github/workflows/deploy-sandbox.yml — 1.3.7 → 2.0.2
• README.md — v2.0.0 → v2.0.2

Test plan

• gradle buildGo passes
• gradle testGo passes (all 29 Go packages + 364 Python tests)
• gradle lintGo passes (0 issues)

🤖 Generated with Claude Code

[safedep]

SafeDep Report Summary

No dependency changes detected. Nothing to scan.

View complete scan results →

_{This report is generated by SafeDep Github App}

[github-actions]

Code Pathfinder Security Scan

No security issues detected.

Metric	Value
Files Scanned	8
Rules	205

---

_{Powered by Code Pathfinder}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.05%. Comparing base (7c5187c) to head (91c6943).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #627   +/-   ##
=======================================
  Coverage   84.04%   84.05%           
=======================================
  Files         156      156           
  Lines       21465    21465           
=======================================
+ Hits        18040    18042    +2     
+ Misses       2778     2777    -1     
+ Partials      647      646    -1     

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