Merge pull request #218 from martincostello/dependabot/nuget/Shouldly-4.0.3

Author: dependabot[bot]

Directory.Packages.props

@@ -13,7 +13,7 @@
     <PackageVersion Include="Newtonsoft.Json" Version="12.0.3" Condition=" '$(IsTestProject)' == 'true' " />
     <PackageVersion Include="Polly" Version="7.2.1" />
     <PackageVersion Include="ReportGenerator" Version="4.8.2" />
-    <PackageVersion Include="Shouldly" Version="4.0.2" />
+    <PackageVersion Include="Shouldly" Version="4.0.3" />
     <PackageVersion Include="StyleCop.Analyzers" Version="1.1.118" />
     <PackageVersion Include="xunit" Version="2.4.1" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.3" />