Bump AspNet.Security.OAuth.Spotify from 5.0.2 to 5.0.3 (#585)

Bumps [AspNet.Security.OAuth.Spotify](https://github.com/aspnet-contrib/AspNet.Security.OAuth.Providers) from 5.0.2 to 5.0.3.
- [Release notes](https://github.com/aspnet-contrib/AspNet.Security.OAuth.Providers/releases)
- [Commits](aspnet-contrib/AspNet.Security.OAuth.Providers@5.0.2...5.0.3)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

SpotifyAPI.Web.Examples/Example.ASP/Example.ASP.csproj

@@ -5,7 +5,7 @@
     <UserSecretsId>da29eac4-4c22-4a7f-b393-379e83b60998</UserSecretsId>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="AspNet.Security.OAuth.Spotify" Version="5.0.2" />
+    <PackageReference Include="AspNet.Security.OAuth.Spotify" Version="5.0.3" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\SpotifyAPI.Web\SpotifyAPI.Web.csproj" />