Use the latest version of Mono.Cecil. (#37783)

### Description of Change

Use the latest version of Mono.Cecil to get a fix to not corrupt pdbs.

### Issues Fixed

Fixes #37782.

Author: rolfbjarne

src/Controls/src/Build.Tasks/Controls.Build.Tasks.csproj

@@ -23,7 +23,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Mono.Cecil" Version="0.11.5" PrivateAssets="all" GeneratePathProperty="true" />
+		<PackageReference Include="Mono.Cecil" Version="0.11.6" PrivateAssets="all" GeneratePathProperty="true" />
 		<PackageReference Include="System.CodeDom" Version="7.0.0" PrivateAssets="all" GeneratePathProperty="true" />
 		<PackageReference Include="Microsoft.Build.Framework" PrivateAssets="all" />
 		<PackageReference Include="Microsoft.Build.Utilities.Core" PrivateAssets="all" />

src/Controls/tests/Xaml.UnitTests/Controls.Xaml.UnitTests.csproj

@@ -24,7 +24,7 @@
   <ItemGroup>
     <PackageReference Include="NSubstitute" Version="$(NSubstitutePackageVersion)" />
     <PackageReference Include="xunit" Version="$(XunitPackageVersion)" />
-    <PackageReference Include="Mono.Cecil" Version="0.11.5" />
+    <PackageReference Include="Mono.Cecil" Version="0.11.6" />
     <PackageReference Include="System.CodeDom" Version="7.0.0" />
     <PackageReference Include="Microsoft.Build.Framework" PrivateAssets="all" Publish="true" />
     <PackageReference Include="Microsoft.Build.Utilities.Core" PrivateAssets="all" Publish="true" />