[Bug Bash] custom code update tool times out every time

### Prompts Used

Rename the DeidentificationClient to HealthDeidentificationClient in sdk\healthdataaiservices\Azure.Health.Deidentification

### Language

.NET

### Service or Resource Provider

Azure.Health.Deidentification

### Logs, Traces, or Screenshots

tool times out by default

```
✗ azsdk_customized_code_update (MCP: azure-sdk-mcp) · customizationRequest: "Rename the client from DeidentificationClie…
└ MCP server 'azure-sdk-mcp': McpError: MCP error -32001: Request timed out

● The MCP tool timed out. Let me do this manually — I'll add the @@clientName decorator in client.tsp and regenerate.
```

was fixed by adding a local mcp config with an hour long timeout

### Feedback

don't know how exactly to fix this but without a local config this doesn't work