Bump MessagePack from 2.5.192 to 2.5.301

---
updated-dependencies:
- dependency-name: MessagePack
  dependency-version: 2.5.301
  dependency-type: direct:production
...

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

Author: dependabot[bot]

aspire-sample/aspire-sample.AppHost/aspire-sample.AppHost.csproj

@@ -9,6 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="MessagePack" Version="2.5.301" />
     <ProjectReference Include="..\aspire-sample.ApiService\aspire-sample.ApiService.csproj" />
     <ProjectReference Include="..\aspire-sample.Web\aspire-sample.Web.csproj" />
   </ItemGroup>