style: ruff line-fold in client.py + update uv.lock to v0.3.6 (v0.3.7)

- client.py: collapse 3-line raise SynologyError(...) to one line
  (fits within 100 chars; ruff format output)
- uv.lock: package version entry updated from 0.2.4 to 0.3.6

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

src/mcp_synology_filestation/client.py

@@ -482,8 +482,6 @@ class FileStationClient:
                 code = body.get("error", {}).get("code", 0)
                 raise SynologyError(_error_message(code, api), code=code)
             except (ValueError, KeyError):
-                raise SynologyError(
-                    f"Unexpected response content-type: {content_type}"
-                ) from None
+                raise SynologyError(f"Unexpected response content-type: {content_type}") from None
 
         return resp.content