Bump ModelContextProtocol from 1.4.0 to 1.4.1

---
updated-dependencies:
- dependency-name: ModelContextProtocol
  dependency-version: 1.4.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="Microsoft.TemplateSearch.Common" Version="10.0.103" />
 
     <!-- MCP SDK -->
-    <PackageVersion Include="ModelContextProtocol" Version="1.4.0" />
+    <PackageVersion Include="ModelContextProtocol" Version="1.4.1" />
     <PackageVersion Include="ModelContextProtocol.AspNetCore" Version="1.4.0" />
 
     <!-- Hosting -->