set even longer timeout

src/ai_reviewer/ollama.py

@@ -17,7 +17,7 @@ class OllamaClient:
             "stream": False,
             "options": {"temperature": 0},
         }
-        with httpx.Client(timeout=600) as client:
+        with httpx.Client(timeout=3600) as client:
             response = client.post(url, json=payload)
         response.raise_for_status()
         data = response.json()