Merge pull request #25 from openrails/dependabot/nuget/Microsoft.Extensions.Configuration.Json-3.1.8

Author: dependabot-preview[bot]

Open Rails Code Bot.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="CommandLineArgumentsParser" Version="3.0.20" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.7" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.8" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
   </ItemGroup>