chore(deps): update dependency shouldly to 4.3.0 (#415)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

test/Serilog.Sinks.HttpTests/Serilog.Sinks.HttpTests.csproj

@@ -21,7 +21,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="9.0.0" />
-    <PackageReference Include="Shouldly" Version="4.2.1" />
+    <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>