chore(renovate): change commit type to chore for mcp-server pkg dep updates (#8452)

Author: Lukas742

.github/renovate.json

@@ -91,6 +91,11 @@
       "semanticCommitType": "chore",
       "matchSourceUrls": ["https://github.com/UI5/webcomponents{/,}**"]
     },
+    {
+      "description": "MCP server dependencies",
+      "matchFileNames": ["packages/mcp-server/**"],
+      "semanticCommitType": "chore"
+    },
     {
       "groupName": "Typescript",
       "description": "Typescript dependency update",