fix(deps): upgrade starlette 1.0.0→1.1.0 and idna 3.15→3.16

Fixes PYSEC-2026-161 (starlette) and CVE-2026-45409 (idna).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: desiorac

requirements.txt

@@ -10,13 +10,13 @@ fastapi==0.136.1
 h11==0.16.0
 httpcore==1.0.9
 httpx==0.28.1
-idna==3.15
+idna==3.16
 pycparser==3.0
 pydantic==2.13.4
 pydantic_core==2.46.4
 requests==2.34.0
 setuptools==82.0.1
-starlette==1.0.0
+starlette==1.1.0
 stripe==15.1.0
 typing-inspection==0.4.2
 typing_extensions==4.15.0