docs: consistent casing for onpush zoneless migration MCP tool name

The tool has been renamed in the CLI for consistency angular/angular-cli#31866

Author: cexbrayat

adev/src/content/ai/mcp-server-setup.md

@@ -12,7 +12,7 @@ The Angular CLI MCP server provides several tools to assist you in your developm
 | `find_examples`             | Finds authoritative code examples from a curated database of official, best-practice examples, focusing on **modern, new, and recently updated** Angular features.                                 |      ✅      |     ✅      |
 | `get_best_practices`        | Retrieves the Angular Best Practices Guide. This guide is essential for ensuring that all code adheres to modern standards, including standalone components, typed forms, and modern control flow. |      ✅      |     ✅      |
 | `list_projects`             | Lists the names of all applications and libraries defined within an Angular workspace. It reads the `angular.json` configuration file to identify the projects.                                    |      ✅      |     ✅      |
-| `onpush-zoneless-migration` | Analyzes Angular code and provides a step-by-step, iterative plan to migrate it to `OnPush` change detection, a prerequisite for a zoneless application.                                           |      ✅      |     ✅      |
+| `onpush_zoneless_migration` | Analyzes Angular code and provides a step-by-step, iterative plan to migrate it to `OnPush` change detection, a prerequisite for a zoneless application.                                           |      ✅      |     ✅      |
 | `search_documentation`      | Searches the official Angular documentation at <https://angular.dev>. This tool should be used to answer any questions about Angular, such as for APIs, tutorials, and best practices.             |      ❌      |     ✅      |
 
 ### Experimental Tools