Update dependency WireMock.Net to 1.18.0

Author: renovate[bot]

tests/TBC.OpenAPI.SDK.Core.Tests/TBC.OpenAPI.SDK.Core.Tests.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
     <PackageReference Include="Moq" Version="4.17.2" />
     <PackageReference Include="Moq.AutoMock" Version="3.3.0" />
-    <PackageReference Include="WireMock.Net" Version="1.4.41" />
+    <PackageReference Include="WireMock.Net" Version="1.18.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>