Updated Skybrud.Essentials dependency

Author: abjerner

src/Skybrud.Essentials.Http/Skybrud.Essentials.Http.csproj

@@ -42,7 +42,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Skybrud.Essentials" Version="1.1.15" />
+    <PackageReference Include="Skybrud.Essentials" Version="1.1.18" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)'=='netstandard1.3'">