[UITests] Update TestCloud.Agent (#4055)

Xamarin.Forms.ControlGallery.iOS/Xamarin.Forms.ControlGallery.iOS.csproj

@@ -271,7 +271,7 @@
     <Reference Include="Xamarin.iOS" />
     <Reference Include="netstandard" />
     <Reference Include="Calabash">
-      <HintPath>..\packages\Xamarin.TestCloud.Agent.0.21.5\lib\Xamarin.iOS\Calabash.dll</HintPath>
+      <HintPath>..\packages\Xamarin.TestCloud.Agent.0.21.7\lib\Xamarin.iOS\Calabash.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />

Xamarin.Forms.ControlGallery.iOS/packages.config

@@ -54,5 +54,5 @@
   <package id="System.Xml.XmlDocument" version="4.3.0" targetFramework="xamarinios10" />
   <package id="Xam.Plugin.DeviceInfo" version="3.0.2" targetFramework="xamarinios10" />
   <package id="Xamarin.Insights" version="1.12.3" targetFramework="xamarinios10" />
-  <package id="Xamarin.TestCloud.Agent" version="0.21.5" targetFramework="xamarinios10" />
+  <package id="Xamarin.TestCloud.Agent" version="0.21.7" targetFramework="xamarinios10" />
 </packages>