build(deps): bump fastapi 0.136.3, uvicorn 0.48.0, phonenumbers 9.0.31

Routine Dependabot dependency updates. Full test suite (2486) passes on the
upgraded versions; no app code changes required.

Closes #35, #36, #37.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: UPinar

requirements.txt

@@ -1,12 +1,12 @@
-fastapi==0.136.1
+fastapi==0.136.3
 pytricia>=1.3.0
-uvicorn[standard]==0.47.0
+uvicorn[standard]==0.48.0
 jinja2==3.1.6
 python-multipart==0.0.29
 dnspython==2.8.0
 httpx==0.28.1
 pytest==9.0.3
-phonenumbers==9.0.30
+phonenumbers==9.0.31
 cryptography==48.0.0
 cvss==3.6
 mcp==1.27.1