Update MCP note

Author: g-despot

_includes/feature-notes/mcp.mdx

@@ -0,0 +1,2 @@
+:::info Added in `v1.38`
+:::

docs/weaviate/configuration/mcp-server.mdx

@@ -22,9 +22,9 @@ faq:
 import Tabs from "@theme/Tabs";
 import TabItem from "@theme/TabItem";
 
-:::info Generally available
-The built-in Weaviate MCP server is generally available as of `v1.38` (introduced as a preview in `v1.37.1`). Its enable flags are runtime-configurable from `v1.38` — see [Environment variables](#environment-variables).
-:::
+import MCPPreview from "/_includes/feature-notes/mcp.mdx";
+
+<MCPPreview />
 
 The Weaviate [Model Context Protocol (MCP)](https://modelcontextprotocol.io/) server is an implementation of the open standard that enables Large Language Models (LLMs) to interact securely with your Weaviate instance.