Merge pull request #351 from maxmind/dependabot/nuget/WireMock.Net-1.8.4

Bump WireMock.Net from 1.6.7 to 1.8.4

Author: oschwald

MaxMind.GeoIP2.UnitTests/MaxMind.GeoIP2.UnitTests.csproj

@@ -38,7 +38,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageReference Include="WireMock.Net" Version="1.8.1" />
+    <PackageReference Include="WireMock.Net" Version="1.8.4" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>