Upgrade MessagePack to 2.5.187

Author: dmitriy-maksimov-wd

src/Enyim.Caching/Enyim.Caching.csproj

@@ -45,7 +45,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="MessagePack" Version="2.5.140"/>
+        <PackageReference Include="MessagePack" Version="2.5.187"/>
     </ItemGroup>
 
     <ItemGroup>