docs: fix mcp configuration location in vscode (#23133)

MCP settings in VSCode is no longer in settings.json but mcp.json

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Author: tugbayatilla

content/manuals/ai/mcp-catalog-and-toolkit/toolkit.md

@@ -165,7 +165,7 @@ You can interact with all your installed MCP servers in VS Code:
    {{< tabs group="" >}}
    {{< tab name="Enable globally">}}
 
-   1. Insert the following in your VS Code's User`settings.json`:
+   1. Insert the following in your VS Code's User`mcp.json`:
 
       ```json
       "mcp": {