fix(deps): bump urllib3 from 2.6.3 to 2.7.0

Fixes two high-severity vulnerabilities:
- Sensitive headers forwarded across origins in proxied redirects
- Decompression-bomb safeguards bypassed in streaming API

Author: Chao Huang

pyproject.toml

@@ -40,7 +40,7 @@ dependencies = [
     "openai>=2.21.0",
     "redis[hiredis]>=5.0.0",
     "aiohttp>=3.13.4",
-    "urllib3>=2.6.3",
+    "urllib3>=2.7.0",
     "cryptography>=46.0.7",
     "requests>=2.33.0",
     # Observability