chore(deps): update dependency xamarin.android.support.v4 to v28.0.0.3

Author: renovate[bot]

Xamarin/Navigation.Parameters/Android/Android.csproj

@@ -54,7 +54,7 @@
     <PackageReference Include="Xamarin.Forms" Version="3.6.*" />
     <PackageReference Include="Xamarin.Android.Support.Design" Version="28.0.0.3" />
     <PackageReference Include="Xamarin.Android.Support.v7.AppCompat" Version="28.0.0.1" />
-    <PackageReference Include="Xamarin.Android.Support.v4" Version="28.0.0.1" />
+    <PackageReference Include="Xamarin.Android.Support.v4" Version="28.0.0.3" />
     <PackageReference Include="Xamarin.Android.Support.v7.CardView" Version="28.0.0.1" />
     <PackageReference Include="Xamarin.Android.Support.v7.MediaRouter" Version="28.0.0.1" />
     <PackageReference Include="Xamarin.Android.Support.Core.Utils" Version="28.0.0.3" />

Xamarin/ReactiveRecyclerView/Droid/TestApp.Droid.csproj

@@ -138,7 +138,7 @@
       <Version>28.0.0.1</Version>
     </PackageReference>
     <PackageReference Include="Xamarin.Android.Support.v4">
-      <Version>28.0.0.1</Version>
+      <Version>28.0.0.3</Version>
     </PackageReference>
     <PackageReference Include="Xamarin.Android.Support.v7.AppCompat">
       <Version>28.0.0.1</Version>