Merge pull request #245 from mganss/dependabot/nuget/System.Text.Encoding.CodePages-5.0.0

Bump System.Text.Encoding.CodePages from 4.7.1 to 5.0.0

Author: mganss

test/HtmlSanitizer.Tests/HtmlSanitizer.Tests.csproj

@@ -46,7 +46,7 @@
     </PackageReference>
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="System.Text.Encoding.CodePages">
-      <Version>4.7.1</Version>
+      <Version>5.0.0</Version>
     </PackageReference>
   </ItemGroup>