chore(deps): update claude-agent-sdk requirement (#216)

Updates the requirements on [claude-agent-sdk](https://github.com/anthropics/claude-agent-sdk-python) to permit the latest version.

Updates `claude-agent-sdk` to 0.2.105
- [Release notes](https://github.com/anthropics/claude-agent-sdk-python/releases)
- [Changelog](https://github.com/anthropics/claude-agent-sdk-python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/anthropics/claude-agent-sdk-python/compare/v0.2.101...v0.2.105)

---
updated-dependencies:
- dependency-name: claude-agent-sdk
  dependency-version: 0.2.104
  dependency-type: direct:production
  dependency-group: dependencies
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -43,7 +43,7 @@ dependencies = [
     "sse-starlette",  # Server-Sent Events for A2A streaming
     # Direct imports (promoted from transitive)
     "cryptography",  # utils/crypto.py — Fernet-encrypted project git tokens
-    "claude-agent-sdk>=0.2.101",
+    "claude-agent-sdk>=0.2.105",
 ]
 
 [project.optional-dependencies]