Add System.Reflection.Metadata 1.6.0 as dependency to UWP crashes nuspec

nuget/WindowsAppCenterCrashes.nuspec

@@ -15,7 +15,12 @@
     <license type="expression">MIT</license>
     <iconUrl>https://aka.ms/k76877</iconUrl>
     <dependencies>
-      <dependency id="Microsoft.AppCenter" version="$version$" />
+      <group>
+        <dependency id="Microsoft.AppCenter" version="$version$" />
+      </group>
+      <group targetFramework="uap10.0">
+        <dependency id="System.Reflection.Metadata" version="1.6.0" />
+      </group>
     </dependencies>
   </metadata>
   <files>