Bump Tmds.DBus.Protocol from 0.16.0 to 0.21.3 (#2316)

Pinned Tmds.DBus.Protocol at 0.21.3.

Author: mjcheetham

Directory.Packages.props

@@ -25,6 +25,7 @@
     <!-- Other -->
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.Text.Json" Version="8.0.5" />
+    <PackageVersion Include="Tmds.DBus.Protocol" Version="0.21.3" />
     <PackageVersion Include="Tools.InnoSetup" Version="6.3.1" GeneratePathProperty="true" />
 
     <!-- Testing -->

src/shared/Core/Core.csproj

@@ -32,6 +32,7 @@
 
   <ItemGroup Condition="'$(Configuration)' == 'Debug'">
     <PackageReference Include="Avalonia.Diagnostics" />
+    <PackageReference Include="Tmds.DBus.Protocol" />
   </ItemGroup>
 
 </Project>